ENGR (Socolofsky) Week 02 Python scripts

Size: px
Start display at page:

Download "ENGR (Socolofsky) Week 02 Python scripts"

Transcription

1 ENGR (Socolofsky) Week 02 Python scripts Listing for script.py 1 # data_types.py 2 # 3 # Lecture examples of using various Python data types and string formatting 4 # 5 # ENGR # Scott Socolofsky 7 # August import math # In this first block, we will perform various mathematical operations on 12 # different data types and let the print () function print the raw, 13 # unformatted output so that we can see what data types result # Addition 16 i = 1 17 i = i print (' Addition of two integers :') 19 print (i) i += 1 22 print (' Addition of two integers using +=: ') 23 print (i) x = x = x print (' Addition of two floats :') 28 print (x) print (' Addition of a float and integer :') 31 x = x + i 32 print (x) x += 1 35 print (' Addition of a float and integer using +=: ') 36 print (x) 37 print (' ') # Subtraction 40 i = i = i - 1

2 42 print (' Subtraction of two integers :') 43 print (i) i -= 1 46 print (' Subtraction of two integers using -=: ') 47 print (i) x = x = x print (' Subtraction of two floats :') 52 print (x) print (' Subtraction of a float and integer :') 55 x = i = 3 57 x = x - i 58 print (x) print (' Subtraction of a float and integer using -=: ') 61 x = x -= 1 63 print (x) 64 print (' ') # Multiplication x = y = z = x * y 71 print (' Multiplication of two floats :') 72 print (z) n = w = z * n 76 print (' Multiplication of a float and integer :') 77 print (w) s = 'ENGR ' 80 heading = 5 * s 81 print (' Multiplication of an integer and string :') 82 print ( heading ) 83 print (' ') # Division 86 i = 5 87 j = k = 7 89 n1 = j / i 90 n2 = k / i 91 print ('Division of two integers (10 / 5): ') 92 print ( n1) 93 print (' Division of two integers ( 7 / 5)') 94 print ( n2) 2

3 95 96 x = y = z = x / y 99 print (' Division of two floats :') 100 print ( z) w = z / n 103 print (' Division of float by integer :') 104 print ( w) w = n / z 107 print (' Division of an integer by a float :') 108 print ( w) 109 print (' ') # Powers 112 u = i ** j 113 print (' Integer to an integer power :') 114 print ( u) v = x ** j 117 print (' Float to an integer power :') 118 print ( v) w = x ** y 121 print (' Float to a float power :') 122 print ( w) print (' NOTE : When possible, use integers in powers since ') 125 print (' integer powers execute faster on a computer.') 126 print (' ') # Integer division 129 x = y = z1 = x // y 132 print (' Division of two floats ( // 2. 54): ') 133 print ( z1) # Modulus operator 136 z2 = x % y 137 print (' Division of two floats ( % 2. 54): ') 138 print ( z2) 139 print (' ') # In this section, we format many of the variables computed above within 142 # various print statements. 143 print (' Format an integer as an integer, part 1: % d' % i) 144 print (' Format an integer as an integer, part 2: % 5. 5d' % i) 145 print (' Format an integer as a float : % 5. 5g' % i) 146 print (' Format a float as a float ( default ): % g' % w) 147 print (' Format a float as a float ( formatted ): % 7. 7g' % w) 3

4 148 print (' ') 149 print (' Include an apostrophe to symbolize feet in a string :') 150 print (" The wall is %4.4g' long " % w) # We can also include multiple strings in a print statement. 153 x = y = z = x // y 156 print (' Printing a result using multiple strings separated by comma ') 157 print ('The division of ', x, '// ', y, '=', z) 158 print (' Printing a result using string concatenation ') 159 print ('The division of ' + str (x) + '// ' + str (y) + ' = ' + str (z)) 160 print (' ') # Finally, we demonstrate the input function 163 print (' Enter the diameter of a sphere :') 164 d = float ( input ()) 165 vol = math.pi / 6. * d**3 166 print (' The volume of your sphere is % 8. 8g units ' % vol ) 167 print (' ') d = float ( input (' Enter the diameter of a sphere : ')) 170 vol = math.pi / 6. * d**3 171 print (' The volume of your sphere is % 8. 8g units ' % vol ) 172 print (' ') 4

5 Code execution for script.py yields Addition of two integers: 2 Addition of two integers using +=: 3 Addition of two floats: Addition of a float and integer: Addition of a float and integer using +=: Subtraction of two integers: 9 Subtraction of two integers using -=: 8 Subtraction of two floats: Subtraction of a float and integer: 4.15 Subtraction of a float and integer using -=: 6.15 Multiplication of two floats: Multiplication of a float and integer: Multiplication of an integer and string: ENGR ENGR ENGR ENGR ENGR Division of two integers (10 / 5): 2.0 Division of two integers (7 / 5) 1.4 Division of two floats: Division of float by integer: Division of an integer by a float:

6 Integer to an integer power: Float to an integer power: Float to a float power: NOTE: When possible, use integers in powers since integer powers execute faster on a computer. Division of two floats (7.15 // 2.54): 2.0 Division of two floats (7.15 % 2.54): Format an integer as an integer, part 1: 5 Format an integer as an integer, part 2: Format an integer as a float: 5 Format a float as a float (default): Format a float as a float (formatted): Include an apostrophe to symbolize feet in a string: The wall is long Printing a result using multiple strings separated by comma The division of 7.15 // 3.45 = 2.0 Printing a result using string concatenation The division of 7.15//3.45 = 2.0 Enter the diameter of a sphere: 3.5 The volume of your sphere is units Enter the diameter of a sphere: 4.5 The volume of your sphere is units Process finished with exit code 0 6

Python Programming Exercises 1

Python Programming Exercises 1 Python Programming Exercises 1 Notes: throughout these exercises >>> preceeds code that should be typed directly into the Python interpreter. To get the most out of these exercises, don t just follow them

More information

ENGR (Socolofsky) Week 07 Python scripts

ENGR (Socolofsky) Week 07 Python scripts ENGR 102-213 (Socolofsky) Week 07 Python scripts A couple programming examples for this week are embedded in the lecture notes for Week 7. We repeat these here as brief examples of typical array-like operations

More information

ENGR 102 Engineering Lab I - Computation

ENGR 102 Engineering Lab I - Computation ENGR 102 Engineering Lab I - Computation Week 03: Data Types and Console Input / Output Introduction to Types As we have already seen, 1 computers store numbers in a binary sequence of bits. The organization

More information

1. What type of error produces incorrect results but does not prevent the program from running? a. syntax b. logic c. grammatical d.

1. What type of error produces incorrect results but does not prevent the program from running? a. syntax b. logic c. grammatical d. Gaddis: Starting Out with Python, 2e - Test Bank Chapter Two MULTIPLE CHOICE 1. What type of error produces incorrect results but does not prevent the program from running? a. syntax b. logic c. grammatical

More information

Lecture 2: Python Arithmetic

Lecture 2: Python Arithmetic Lecture 2: Python Arithmetic CS1068+ Introductory Programming in Python Dr Kieran T. Herley 2018/19 Department of Computer Science University College Cork Basic data types in Python Python data types Programs

More information

User-Defined Function

User-Defined Function ENGR 102-213 (Socolofsky) Week 11 Python scripts In the lecture this week, we are continuing to learn powerful things that can be done with userdefined functions. In several of the examples, we consider

More information

ENGR 101 Engineering Design Workshop

ENGR 101 Engineering Design Workshop ENGR 101 Engineering Design Workshop Lecture 2: Variables, Statements/Expressions, if-else Edgardo Molina City College of New York Literals, Variables, Data Types, Statements and Expressions Python as

More information

CSE 115. Introduction to Computer Science I

CSE 115. Introduction to Computer Science I CSE 115 Introduction to Computer Science I Note about posted slides The slides we post will sometimes contain additional slides/content, beyond what was presented in any one lecture. We do this so the

More information

Lecture 3. Input, Output and Data Types

Lecture 3. Input, Output and Data Types Lecture 3 Input, Output and Data Types Goals for today Variable Types Integers, Floating-Point, Strings, Booleans Conversion between types Operations on types Input/Output Some ways of getting input, and

More information

CSC 120 Computer Science for the Sciences. Week 1 Lecture 2. UofT St. George January 11, 2016

CSC 120 Computer Science for the Sciences. Week 1 Lecture 2. UofT St. George January 11, 2016 CSC 120 Computer Science for the Sciences Week 1 Lecture 2 UofT St. George January 11, 2016 Introduction to Python & Foundations of computer Programming Variables, DataTypes, Arithmetic Expressions Functions

More information

PRG PROGRAMMING ESSENTIALS. Lecture 2 Program flow, Conditionals, Loops

PRG PROGRAMMING ESSENTIALS. Lecture 2 Program flow, Conditionals, Loops PRG PROGRAMMING ESSENTIALS 1 Lecture 2 Program flow, Conditionals, Loops https://cw.fel.cvut.cz/wiki/courses/be5b33prg/start Michal Reinštein Czech Technical University in Prague, Faculty of Electrical

More information

Lecture 3: Functions & Modules (Sections ) CS 1110 Introduction to Computing Using Python

Lecture 3: Functions & Modules (Sections ) CS 1110 Introduction to Computing Using Python http://www.cs.cornell.edu/courses/cs1110/2019sp Lecture 3: Functions & Modules (Sections 3.1-3.3) CS 1110 Introduction to Computing Using Python [E. Andersen, A. Bracy, D. Gries, L. Lee, S. Marschner,

More information

Lessons on Python Numbers

Lessons on Python Numbers Lessons on Python Numbers Walter Didimo [ 30 minutes ] Types of numbers There are only three kinds of number in Python: integer any integer number floating-point any real number complex any number having

More information

Python 2 Conditionals and loops Matthew Egbert CS111

Python 2 Conditionals and loops Matthew Egbert CS111 Python 2 Conditionals and loops Matthew Egbert CS111 Yesterday's Lecture Input and Output user_input_as_str = input('prompt: ') print('hello. You entered: '+ user_input_as_str) Comments # everything to

More information

Professor: Sana Odeh Lecture 3 Python 3.1 Variables, Primitive Data Types & arithmetic operators

Professor: Sana Odeh Lecture 3 Python 3.1 Variables, Primitive Data Types & arithmetic operators 1 Professor: Sana Odeh odeh@courant.nyu.edu Lecture 3 Python 3.1 Variables, Primitive Data Types & arithmetic operators Review What s wrong with this line of code? print( He said Hello ) What s wrong with

More information

CS 112 Introduction to Computing II. Wayne Snyder Computer Science Department Boston University

CS 112 Introduction to Computing II. Wayne Snyder Computer Science Department Boston University CS 112 Introduction to Computing II Wayne Snyder Department Boston University Today: Java basics: Compilation vs Interpretation Program structure Statements Values Variables Types Operators and Expressions

More information

Python The way of a program. Srinidhi H Asst Professor Dept of CSE, MSRIT

Python The way of a program. Srinidhi H Asst Professor Dept of CSE, MSRIT Python The way of a program Srinidhi H Asst Professor Dept of CSE, MSRIT 1 Problem Solving Problem solving means the ability to formulate problems, think creatively about solutions, and express a solution

More information

ENGR 102 Engineering Lab I - Computation

ENGR 102 Engineering Lab I - Computation ENGR 102 Engineering Lab I - Computation Week 07: Arrays and Lists of Data Introduction to Arrays In last week s lecture, 1 we were introduced to the mathematical concept of an array through the equation

More information

Python Input, output and variables. Lecture 23 COMPSCI111/111G SS 2018

Python Input, output and variables. Lecture 23 COMPSCI111/111G SS 2018 Python Input, output and variables Lecture 23 COMPSCI111/111G SS 2018 1 Today s lecture What is Python? Displaying text on screen using print() Variables Numbers and basic arithmetic Getting input from

More information

Variable and Data Type I

Variable and Data Type I Islamic University Of Gaza Faculty of Engineering Computer Engineering Department Lab 2 Variable and Data Type I Eng. Ibraheem Lubbad September 24, 2016 Variable is reserved a location in memory to store

More information

Introduction to Scientific Python, CME 193 Jan. 9, web.stanford.edu/~ermartin/teaching/cme193-winter15

Introduction to Scientific Python, CME 193 Jan. 9, web.stanford.edu/~ermartin/teaching/cme193-winter15 1 LECTURE 1: INTRO Introduction to Scientific Python, CME 193 Jan. 9, 2014 web.stanford.edu/~ermartin/teaching/cme193-winter15 Eileen Martin Some slides are from Sven Schmit s Fall 14 slides 2 Course Details

More information

Algorithms and Programming I. Lecture#12 Spring 2015

Algorithms and Programming I. Lecture#12 Spring 2015 Algorithms and Programming I Lecture#12 Spring 2015 Think Python How to Think Like a Computer Scientist By :Allen Downey Installing Python Follow the instructions on installing Python and IDLE on your

More information

Lecture 3: Functions & Modules

Lecture 3: Functions & Modules http://www.cs.cornell.edu/courses/cs1110/2018sp Lecture 3: Functions & Modules (Sections 3.1-3.3) CS 1110 Introduction to Computing Using Python [E. Andersen, A. Bracy, D. Gries, L. Lee, S. Marschner,

More information

CSI Lab 02. Tuesday, January 21st

CSI Lab 02. Tuesday, January 21st CSI Lab 02 Tuesday, January 21st Objectives: Explore some basic functionality of python Introduction Last week we talked about the fact that a computer is, among other things, a tool to perform high speed

More information

Introduction to: Computers & Programming: Review prior to 1 st Midterm

Introduction to: Computers & Programming: Review prior to 1 st Midterm Introduction to: Computers & Programming: Review prior to 1 st Midterm Adam Meyers New York University Summary Some Procedural Matters Summary of what you need to Know For the Test and To Go Further in

More information

Lecture 3. Functions & Modules

Lecture 3. Functions & Modules Lecture 3 Functions & Modules Labs this Week Lab 1 is due at the beginning of your lab If it is not yet by then, you cannot get credit Only exception is for students who added late (Those students should

More information

Functions with Parameters and Return Values

Functions with Parameters and Return Values CS101, Spring 2015 Functions with Parameters and Return Values Lecture #4 Last week we covered Objects and Types Variables Methods Tuples Roadmap Last week we covered Objects and Types Variables Methods

More information

Python Numbers. Learning Outcomes 9/19/2012. CMSC 201 Fall 2012 Instructor: John Park Lecture Section 01 Discussion Sections 02-08, 16, 17

Python Numbers. Learning Outcomes 9/19/2012. CMSC 201 Fall 2012 Instructor: John Park Lecture Section 01 Discussion Sections 02-08, 16, 17 Python Numbers CMSC 201 Fall 2012 Instructor: John Park Lecture Section 01 Discussion Sections 02-08, 16, 17 1 (adapted from Meeden, Evans & Mayberry) 2 Learning Outcomes To become familiar with the basic

More information

CS 112: Intro to Comp Prog

CS 112: Intro to Comp Prog CS 112: Intro to Comp Prog Lecture Review Data Types String Operations Arithmetic Operators Variables In-Class Exercises Lab Assignment #2 Upcoming Lecture Topics Variables * Types Functions Purpose Parameters

More information

CMPT 120 Basics of Python. Summer 2012 Instructor: Hassan Khosravi

CMPT 120 Basics of Python. Summer 2012 Instructor: Hassan Khosravi CMPT 120 Basics of Python Summer 2012 Instructor: Hassan Khosravi Python A simple programming language to implement your ideas Design philosophy emphasizes code readability Implementation of Python was

More information

CME 193: Introduction to Scientific Python Lecture 1: Introduction

CME 193: Introduction to Scientific Python Lecture 1: Introduction CME 193: Introduction to Scientific Python Lecture 1: Introduction Nolan Skochdopole stanford.edu/class/cme193 1: Introduction 1-1 Contents Administration Introduction Basics Variables Control statements

More information

PROGRAMMING FUNDAMENTALS

PROGRAMMING FUNDAMENTALS PROGRAMMING FUNDAMENTALS VARIABLES, EXPRESSIONS AND STATEMENTS João Correia Lopes INESC TEC, FEUP 27 September 2018 FPRO/MIEIC/2018-19 27/09/2018 1 / 21 INTRODUCTION GOALS By the end of this class, the

More information

GO - OPERATORS. This tutorial will explain the arithmetic, relational, logical, bitwise, assignment and other operators one by one.

GO - OPERATORS. This tutorial will explain the arithmetic, relational, logical, bitwise, assignment and other operators one by one. http://www.tutorialspoint.com/go/go_operators.htm GO - OPERATORS Copyright tutorialspoint.com An operator is a symbol that tells the compiler to perform specific mathematical or logical manipulations.

More information

COMP519 Web Programming Lecture 11: JavaScript (Part 2) Handouts

COMP519 Web Programming Lecture 11: JavaScript (Part 2) Handouts COMP519 Web Programming Lecture 11: JavaScript (Part 2) Handouts Ullrich Hustadt Department of Computer Science School of Electrical Engineering, Electronics, and Computer Science University of Liverpool

More information

Variable and Data Type I

Variable and Data Type I The Islamic University of Gaza Faculty of Engineering Dept. of Computer Engineering Intro. To Computers (LNGG 1003) Lab 2 Variable and Data Type I Eng. Ibraheem Lubbad February 18, 2017 Variable is reserved

More information

Lecture 3. Functions & Modules

Lecture 3. Functions & Modules Lecture 3 Functions & Modules Labs this Week Lab 1 is due at the beginning of your lab If it is not yet by then, you cannot get credit Only exception is for students who added late (Those students should

More information

CSCE 110 Programming I Basics of Python: Variables, Expressions, Input/Output

CSCE 110 Programming I Basics of Python: Variables, Expressions, Input/Output CSCE 110 Programming I Basics of Python: Variables, Expressions, Input/Output Dr. Tiffani L. Williams Department of Computer Science and Engineering Texas A&M University Spring 2011 Python Python was developed

More information

Intro to Programming. Unit 7. What is Programming? What is Programming? Intro to Programming

Intro to Programming. Unit 7. What is Programming? What is Programming? Intro to Programming Intro to Programming Unit 7 Intro to Programming 1 What is Programming? 1. Programming Languages 2. Markup vs. Programming 1. Introduction 2. Print Statement 3. Strings 4. Types and Values 5. Math Externals

More information

OUTLINE. Number system. Creating MATLAB variables Overwriting variable Error messages Making corrections Entering multiple statements per line

OUTLINE. Number system. Creating MATLAB variables Overwriting variable Error messages Making corrections Entering multiple statements per line 1 LECTURE 2 OUTLINE Number system Integer number Decimal number Binary number Hexadecimal number Creating MATLAB variables Overwriting variable Error messages Making corrections Entering multiple statements

More information

This tutorial will teach you about operators. Operators are symbols that are used to represent an actions used in programming.

This tutorial will teach you about operators. Operators are symbols that are used to represent an actions used in programming. OPERATORS This tutorial will teach you about operators. s are symbols that are used to represent an actions used in programming. Here is the link to the tutorial on TouchDevelop: http://tdev.ly/qwausldq

More information

CS 1803 Individual Homework 1 Python Practice Due: Wednesday, January 26th, before 6 PM Out of 100 points

CS 1803 Individual Homework 1 Python Practice Due: Wednesday, January 26th, before 6 PM Out of 100 points CS 1803 Individual Homework 1 Python Practice Due: Wednesday, January 26th, before 6 PM Out of 100 points Files to submit: 1. HW1.py This is an INDIVIDUAL assignment! Collaboration at a reasonable level

More information

Python lab session 1

Python lab session 1 Python lab session 1 Dr Ben Dudson, Department of Physics, University of York 28th January 2011 Python labs Before we can start using Python, first make sure: ˆ You can log into a computer using your username

More information

MIT AITI Python Software Development

MIT AITI Python Software Development MIT AITI Python Software Development PYTHON L02: In this lab we practice all that we have learned on variables (lack of types), naming conventions, numeric types and coercion, strings, booleans, operator

More information

Introduction to Mathematical and Scientific Programming TUTORIAL WEEK 1 (MATH 1MP3) Winter 2019

Introduction to Mathematical and Scientific Programming TUTORIAL WEEK 1 (MATH 1MP3) Winter 2019 TUTORIAL WEEK 1 Introduction to Mathematical and Scientific Programming (MATH 1MP3) Winter 2019 Important Links 1- The Course Website https://ms.mcmaster.ca/~matt/1mp3.html 2- Python https://www.python.org/downloads/

More information

Introduction to Python

Introduction to Python Introduction to Python CB2-101 Introduction to Scientific Computing November 11 th, 2014 Emidio Capriotti http://biofold.org/emidio Division of Informatics Department of Pathology Python Python high-level

More information

The Three Rules. Program. What is a Computer Program? 5/30/2018. Interpreted. Your First Program QuickStart 1. Chapter 1

The Three Rules. Program. What is a Computer Program? 5/30/2018. Interpreted. Your First Program QuickStart 1. Chapter 1 The Three Rules Chapter 1 Beginnings Rule 1: Think before you program Rule 2: A program is a human-readable essay on problem solving that also executes on a computer Rule 3: The best way to improve your

More information

>>> * *(25**0.16) *10*(25**0.16)

>>> * *(25**0.16) *10*(25**0.16) #An Interactive Session in the Python Shell. #When you type a statement in the Python Shell, #the statement is executed immediately. If the #the statement is an expression, its value is #displayed. #Lines

More information

Lesson 5: Introduction to the Java Basics: Java Arithmetic THEORY. Arithmetic Operators

Lesson 5: Introduction to the Java Basics: Java Arithmetic THEORY. Arithmetic Operators Lesson 5: Introduction to the Java Basics: Java Arithmetic THEORY Arithmetic Operators There are four basic arithmetic operations: OPERATOR USE DESCRIPTION + op1 + op2 Adds op1 and op2 - op1 + op2 Subtracts

More information

Lecture 3 Tao Wang 1

Lecture 3 Tao Wang 1 Lecture 3 Tao Wang 1 Objectives In this chapter, you will learn about: Arithmetic operations Variables and declaration statements Program input using the cin object Common programming errors C++ for Engineers

More information

SAMS Programming A/B. Lecture #1 Introductions July 3, Mark Stehlik

SAMS Programming A/B. Lecture #1 Introductions July 3, Mark Stehlik SAMS Programming A/B Lecture #1 Introductions July 3, 2017 Mark Stehlik Outline for Today Overview of Course A Python intro to be continued in lab on Wednesday (group A) and Thursday (group B) 7/3/2017

More information

1/11/2010 Topic 2: Introduction to Programming 1 1

1/11/2010 Topic 2: Introduction to Programming 1 1 Topic 2: Introduction to Programming g 1 1 Recommended Readings Chapter 2 2 2 Computer Programming Gain necessary knowledge of the problem domain Analyze the problem, breaking it into pieces Repeat as

More information

Introduction to Computers. Laboratory Manual. Experiment #3. Elementary Programming, II

Introduction to Computers. Laboratory Manual. Experiment #3. Elementary Programming, II Think Twice Code Once The Islamic University of Gaza Engineering Faculty Department of Computer Engineering Fall 2017 LNGG 1003 Khaleel I. Shaheen Introduction to Computers Laboratory Manual Experiment

More information

ENGG1811 Computing for Engineers Week 1 Introduction to Programming and Python

ENGG1811 Computing for Engineers Week 1 Introduction to Programming and Python ENGG1811 Computing for Engineers Week 1 Introduction to Programming and Python ENGG1811 UNSW, CRICOS Provider No: 00098G W4 Computers have changed engineering http://www.noendexport.com/en/contents/48/410.html

More information

CSc 110, Spring 2017 Lecture 3: Expressions, Variables and Loops. Adapted from slides by Marty Stepp and Stuart Reges

CSc 110, Spring 2017 Lecture 3: Expressions, Variables and Loops. Adapted from slides by Marty Stepp and Stuart Reges CSc 110, Spring 2017 Lecture 3: Expressions, Variables and Loops Adapted from slides by Marty Stepp and Stuart Reges 1 Data and expressions 2 Data types Internally, computers store everything as 1s and

More information

Getting Started. Office Hours. CSE 231, Rich Enbody. After class By appointment send an . Michigan State University CSE 231, Fall 2013

Getting Started. Office Hours. CSE 231, Rich Enbody. After class By appointment send an  . Michigan State University CSE 231, Fall 2013 CSE 231, Rich Enbody Office Hours After class By appointment send an email 2 1 Project 1 Python arithmetic Do with pencil, paper and calculator first Idle Handin Help room 3 What is a Computer Program?

More information

CS 102 Lab 3 Fall 2012

CS 102 Lab 3 Fall 2012 Name: The symbol marks programming exercises. Upon completion, always capture a screenshot and include it in your lab report. Email lab report to instructor at the end of the lab. Review of built-in functions

More information

Modular Arithmetic. Marizza Bailey. December 14, 2015

Modular Arithmetic. Marizza Bailey. December 14, 2015 Modular Arithmetic Marizza Bailey December 14, 2015 Introduction to Modular Arithmetic If someone asks you what day it is 145 days from now, what would you answer? Would you count 145 days, or find a quicker

More information

Introduction to Python: Data types. HORT Lecture 8 Instructor: Kranthi Varala

Introduction to Python: Data types. HORT Lecture 8 Instructor: Kranthi Varala Introduction to Python: Data types HORT 59000 Lecture 8 Instructor: Kranthi Varala Why Python? Readability and ease-of-maintenance Python focuses on well-structured easy to read code Easier to understand

More information

CIS192 Python Programming. Robert Rand. August 27, 2015

CIS192 Python Programming. Robert Rand. August 27, 2015 CIS192 Python Programming Introduction Robert Rand University of Pennsylvania August 27, 2015 Robert Rand (University of Pennsylvania) CIS 192 August 27, 2015 1 / 30 Outline 1 Logistics Grading Office

More information

Lecture 1. Introduction to course, Welcome to Engineering, What is Programming and Why is this the first thing being covered in Engineering?

Lecture 1. Introduction to course, Welcome to Engineering, What is Programming and Why is this the first thing being covered in Engineering? Lecture 1 Introduction to course, Welcome to Engineering, What is Programming and Why is this the first thing being covered in Engineering? Welcome to ENGR 102 Syllabus review Your Time Expectations (in

More information

Not-So-Mini-Lecture 6. Modules & Scripts

Not-So-Mini-Lecture 6. Modules & Scripts Not-So-Mini-Lecture 6 Modules & Scripts Interactive Shell vs. Modules Launch in command line Type each line separately Python executes as you type Write in a code editor We use Atom Editor But anything

More information

Topic 2: Introduction to Programming

Topic 2: Introduction to Programming Topic 2: Introduction to Programming 1 Textbook Strongly Recommended Exercises The Python Workbook: 12, 13, 23, and 28 Recommended Exercises The Python Workbook: 5, 7, 15, 21, 22 and 31 Recommended Reading

More information

Data Handing in Python

Data Handing in Python Data Handing in Python As per CBSE curriculum Class 11 Chapter- 3 By- Neha Tyagi PGT (CS) KV 5 Jaipur(II Shift) Jaipur Region Introduction In this chapter we will learn data types, variables, operators

More information

Introduction to Python and programming. Ruth Anderson UW CSE 160 Winter 2017

Introduction to Python and programming. Ruth Anderson UW CSE 160 Winter 2017 Introduction to Python and programming Ruth Anderson UW CSE 160 Winter 2017 1 1. Python is a calculator 2. A variable is a container 3. Different types cannot be compared 4. A program is a recipe 2 0.

More information

9/10/10. Arithmetic Operators. Today. Assigning floats to ints. Arithmetic Operators & Expressions. What do you think is the output?

9/10/10. Arithmetic Operators. Today. Assigning floats to ints. Arithmetic Operators & Expressions. What do you think is the output? Arithmetic Operators Section 2.15 & 3.2 p 60-63, 81-89 1 Today Arithmetic Operators & Expressions o Computation o Precedence o Associativity o Algebra vs C++ o Exponents 2 Assigning floats to ints int

More information

Introduction to Computation for the Humanities and Social Sciences. CS 3 Chris Tanner

Introduction to Computation for the Humanities and Social Sciences. CS 3 Chris Tanner Introduction to Computation for the Humanities and Social Sciences CS 3 Chris Tanner Lecture 4 Python: Variables, Operators, and Casting Lecture 4 [People] need to learn code, man I m sick with the Python.

More information

Computing with Numbers Zelle - Chapter 3

Computing with Numbers Zelle - Chapter 3 Computing with Numbers Zelle - Chapter 3 Charles Severance - www.dr-chuck.com Textbook: Python Programming: An Introduction to Computer Science, John Zelle (www.si182.com) Numbers Numeric Data Types and

More information

Datatypes, Variables, and Operations

Datatypes, Variables, and Operations Datatypes, Variables, and Operations 1 Primitive Type Classification 2 Numerical Data Types Name Range Storage Size byte 2 7 to 2 7 1 (-128 to 127) 8-bit signed short 2 15 to 2 15 1 (-32768 to 32767) 16-bit

More information

ENGINEERING 1020 Introduction to Computer Programming M A Y 2 6, R E Z A S H A H I D I

ENGINEERING 1020 Introduction to Computer Programming M A Y 2 6, R E Z A S H A H I D I ENGINEERING 1020 Introduction to Computer Programming M A Y 2 6, 2 0 1 0 R E Z A S H A H I D I Today s class Constants Assignment statement Parameters and calling functions Expressions Mixed precision

More information

There are two ways to use the python interpreter: interactive mode and script mode. (a) open a terminal shell (terminal emulator in Applications Menu)

There are two ways to use the python interpreter: interactive mode and script mode. (a) open a terminal shell (terminal emulator in Applications Menu) I. INTERACTIVE MODE VERSUS SCRIPT MODE There are two ways to use the python interpreter: interactive mode and script mode. 1. Interactive Mode (a) open a terminal shell (terminal emulator in Applications

More information

COMP1730/COMP6730 Programming for Scientists. Sequence types, part 2

COMP1730/COMP6730 Programming for Scientists. Sequence types, part 2 COMP1730/COMP6730 Programming for Scientists Sequence types, part 2 Lecture outline * Lists * Mutable objects & references Sequence data types (recap) * A sequence contains n 0 values (its length), each

More information

CSI33 Data Structures

CSI33 Data Structures Outline Department of Mathematics and Computer Science Bronx Community College August 29, 2018 Outline Outline 1 Chapter 2: Data Abstraction Outline Chapter 2: Data Abstraction 1 Chapter 2: Data Abstraction

More information

A simple interpreted language

A simple interpreted language Copyright Software Carpentry 2010 This work is licensed under the Creative Commons Attribution License See http://software-carpentry.org/license.html for more information. A simple interpreted language

More information

Mathematical Data Operators

Mathematical Data Operators Mathematical Data Operators Programming often requires numbers to be manipulated. This usually involves standard mathematical operators: addition, subtraction, multiplication and division. It can also

More information

There are two ways to use the python interpreter: interactive mode and script mode. (a) open a terminal shell (terminal emulator in Applications Menu)

There are two ways to use the python interpreter: interactive mode and script mode. (a) open a terminal shell (terminal emulator in Applications Menu) I. INTERACTIVE MODE VERSUS SCRIPT MODE There are two ways to use the python interpreter: interactive mode and script mode. 1. Interactive Mode (a) open a terminal shell (terminal emulator in Applications

More information

At full speed with Python

At full speed with Python At full speed with Python João Ventura v0.1 Contents 1 Introduction 2 2 Installation 3 2.1 Installing on Windows............................ 3 2.2 Installing on macos............................. 5 2.3

More information

Built-in Types of Data

Built-in Types of Data Built-in Types of Data Types A data type is set of values and a set of operations defined on those values Python supports several built-in data types: int (for integers), float (for floating-point numbers),

More information

Fundamentals: Expressions and Assignment

Fundamentals: Expressions and Assignment Fundamentals: Expressions and Assignment A typical Python program is made up of one or more statements, which are executed, or run, by a Python console (also known as a shell) for their side effects e.g,

More information

Chapter Two PROGRAMMING WITH NUMBERS AND STRINGS

Chapter Two PROGRAMMING WITH NUMBERS AND STRINGS Chapter Two PROGRAMMING WITH NUMBERS AND STRINGS Introduction Numbers and character strings are important data types in any Python program These are the fundamental building blocks we use to build more

More information

Intro to Python & Programming. C-START Python PD Workshop

Intro to Python & Programming. C-START Python PD Workshop Don t just buy a new video game, make one. Don t just download the latest app, help design it. Don t just play on your phone, program it. No one is born a computer scientist, but with a little hard work

More information

Module 2 - Part 2 DATA TYPES AND EXPRESSIONS 1/15/19 CSE 1321 MODULE 2 1

Module 2 - Part 2 DATA TYPES AND EXPRESSIONS 1/15/19 CSE 1321 MODULE 2 1 Module 2 - Part 2 DATA TYPES AND EXPRESSIONS 1/15/19 CSE 1321 MODULE 2 1 Topics 1. Expressions 2. Operator precedence 3. Shorthand operators 4. Data/Type Conversion 1/15/19 CSE 1321 MODULE 2 2 Expressions

More information

CSC Web Programming. Introduction to JavaScript

CSC Web Programming. Introduction to JavaScript CSC 242 - Web Programming Introduction to JavaScript JavaScript JavaScript is a client-side scripting language the code is executed by the web browser JavaScript is an embedded language it relies on its

More information

Expressions and Variables

Expressions and Variables Expressions and Variables Expressions print(expression) An expression is evaluated to give a value. For example: 2 + 9-6 Evaluates to: 5 Data Types Integers 1, 2, 3, 42, 100, -5 Floating points 2.5, 7.0,

More information

Introduction. Following are the types of operators: Unary requires a single operand Binary requires two operands Ternary requires three operands

Introduction. Following are the types of operators: Unary requires a single operand Binary requires two operands Ternary requires three operands Introduction Operators are the symbols which operates on value or a variable. It tells the compiler to perform certain mathematical or logical manipulations. Can be of following categories: Unary requires

More information

CSCI 121: Anatomy of a Python Script

CSCI 121: Anatomy of a Python Script CSCI 121: Anatomy of a Python Script Python Scripts We start by a Python script: A text file containing lines of Python code. Each line is a Python statement. The Python interpreter (the python3 command)

More information

Lab of COMP 406. MATLAB: Quick Start. Lab tutor : Gene Yu Zhao Mailbox: or Lab 1: 11th Sep, 2013

Lab of COMP 406. MATLAB: Quick Start. Lab tutor : Gene Yu Zhao Mailbox: or Lab 1: 11th Sep, 2013 Lab of COMP 406 MATLAB: Quick Start Lab tutor : Gene Yu Zhao Mailbox: csyuzhao@comp.polyu.edu.hk or genexinvivian@gmail.com Lab 1: 11th Sep, 2013 1 Where is Matlab? Find the Matlab under the folder 1.

More information

C++ Programming Applied to Robotics, Mark Aull Lesson 2: Intro to Visual Studio, debugger Intro to C++, variables, conditionals, loops, strings

C++ Programming Applied to Robotics, Mark Aull Lesson 2: Intro to Visual Studio, debugger Intro to C++, variables, conditionals, loops, strings C++ Programming Applied to Robotics, Mark Aull Lesson 2: Intro to Visual Studio, debugger Intro to C++, variables, conditionals, loops, strings As in the first lesson, open visual studio, start a new empty

More information

\n is used in a string to indicate the newline character. An expression produces data. The simplest expression

\n is used in a string to indicate the newline character. An expression produces data. The simplest expression Chapter 1 Summary Comments are indicated by a hash sign # (also known as the pound or number sign). Text to the right of the hash sign is ignored. (But, hash loses its special meaning if it is part of

More information

ENGR 102 Engineering Lab I - Computation

ENGR 102 Engineering Lab I - Computation ENGR 102 Engineering Lab I - Computation Learning Objectives by Week 1 ENGR 102 Engineering Lab I Computation 2 Credits 2. Introduction to the design and development of computer applications for engineers;

More information

Invent Your Own Computer Games with Python

Invent Your Own Computer Games with Python Hello Wor ld! Invent Your Own Computer Games with Python Taesoo Kwon Heejin Park Hanyang University Introduction to Python Python Easier to learn than C. Serious programming language. Many expert programmers

More information

Informatics Ingeniería en Electrónica y Automática Industrial

Informatics Ingeniería en Electrónica y Automática Industrial Informatics Ingeniería en Electrónica y Automática Industrial Operators and expressions in C Operators and expressions in C Numerical expressions and operators Arithmetical operators Relational and logical

More information

Physics 514 Basic Python Intro

Physics 514 Basic Python Intro Physics 514 Basic Python Intro Emanuel Gull September 8, 2014 1 Python Introduction Download and install python. On Linux this will be done with apt-get, evince, portage, yast, or any other package manager.

More information

CS313D: ADVANCED PROGRAMMING LANGUAGE

CS313D: ADVANCED PROGRAMMING LANGUAGE CS313D: ADVANCED PROGRAMMING LANGUAGE Computer Science department Lecture 2 : C# Language Basics Lecture Contents 2 The C# language First program Variables and constants Input/output Expressions and casting

More information

Level 3 Computing Year 2 Lecturer: Phil Smith

Level 3 Computing Year 2 Lecturer: Phil Smith Level 3 Computing Year 2 Lecturer: Phil Smith Previously We learnt what a computer program does. What a procedural program does. What a procedure is. We had a first look at IDLE. Now Learning Outcomes

More information

Lecture Numbers. Richard E Sarkis CSC 161: The Art of Programming

Lecture Numbers. Richard E Sarkis CSC 161: The Art of Programming Lecture Numbers Richard E Sarkis CSC 161: The Art of Programming Class Administrivia Agenda To understand the concept of data types To be familiar with the basic numeric data types in Python To be able

More information

COMP 110 Introduction to Programming. What did we discuss?

COMP 110 Introduction to Programming. What did we discuss? COMP 110 Introduction to Programming Fall 2015 Time: TR 9:30 10:45 Room: AR 121 (Hanes Art Center) Jay Aikat FB 314, aikat@cs.unc.edu Previous Class What did we discuss? COMP 110 Fall 2015 2 1 Today Announcements

More information

Ch.2: Loops and lists

Ch.2: Loops and lists Ch.2: Loops and lists Joakim Sundnes 1,2 Hans Petter Langtangen 1,2 Simula Research Laboratory 1 University of Oslo, Dept. of Informatics 2 Aug 29, 2018 Plan for 28 August Short quiz on topics from last

More information

Math 1 Variable Manipulation Part 2 Exponents & Roots

Math 1 Variable Manipulation Part 2 Exponents & Roots Math 1 Variable Manipulation Part 2 Exponents & Roots 1 PRE-ALGEBRA REVIEW: WORKING WITH EXPONENTS Exponents are shorthand for repeated multiplication of the same thing by itself. For instance, the shorthand

More information

Week 2. expressions, variables, for loops

Week 2. expressions, variables, for loops Week expressions, variables, for loops Special thanks to Scott Shawcroft, Ryan Tucker, Paul Beck, Hélène Martin, Kim Todd, John Kurkowski, and Marty Stepp for their work on these slides. Except where otherwise

More information

Visual Basic for Applications

Visual Basic for Applications Visual Basic for Applications Programming Damiano SOMENZI School of Economics and Management Advanced Computer Skills damiano.somenzi@unibz.it Week 1 Outline 1 Visual Basic for Applications Programming

More information