Programming in Python 2016

Transcription

1 Practical No. 1 Write a program that prompts the user for input and check whether input contain repeated characters or numbers or not. If it contain repeated characters then count the total repeated characters and print it. To make aware of the basics of string functions and looping statements. String Functions and control flow statements. CO1: design and implement programs using Python programming language. Page no Give example of if control flow statement. 2. Which string function is used to count total number of characters? Ms. Mitali Dixit Page 1

2 Practical No. 2 Enrollment No Write a menu driven program that prints triangle pattern based on user selection. Menu should have 3 menu items in it namely pattern1, pattern2 and pattern3. a. When user selects pattern1 then first it should ask user to enter value for number of line and then according to input following pattern should be displayed b. When user selects pattern2 then first it should ask user to enter value for number of line and then according to input following pattern should be displayed c. When user selects pattern3 then first it should ask user to enter value for number of line and then according to input following pattern should be displayed. * * * * * * * * * * * * * * * * * * * * * * * * * To make aware of the basics of conditional statements and looping statements. Control flow statement CO1: design and implement programs using Python programming language. Ms. Mitali Dixit Page 2

3 Programming in Python 2016 Page no Differentiate for loop and while loop. 2. What is the significance of using else clause in loop? Ms. Mitali Dixit Page 3

4 Practical No Programming in Python 2016 ractical Problem Take a list, say for example this one: a = [1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89] Write a program that prints out all the elements of the list that are less than Instead of printing the elements one by one, make a new list that has all the elements less than 5 from this list in it and print out this new list also print this list in one line. 2. Ask the user for a number and return a list that contains only elements from the original list a that are smaller than that number given by the user. To make aware of list data type and its methods. List data type CO1: design and implement programs using Python programming language Page No: What are the benefits to use list data type? 2. Write the statements which demonstrates the usage of list methods. Ms. Mitali Dixit Page 4

5 Practical No. 4 Write a function that reads the words in words.txt and stores them as keys in a dictionary. Use the in operator to check whether a string is in the dictionary. To make aware of dictionary data type and its methods. Dictionary data type CO1: design and implement programs using Python programming language Page no Write three differences between mutable and non muta ble object. 2. Give example of three methods of dictionary. Ms. Mitali Dixit Page 5

6 Practical No. 5 Write a Python script to generate and print a dictionary that contains number (between 1 and n) in the form (x, x*x). Sample Dictionary ( n = 5) : Expected Output : {1: 1, 2: 4, 3: 9, 4: 16, 5: 25} To make aware python function Knowledge of dictionary and its functions. CO1: design and implement programs using Python programming language Page no Write down any two dictionary functions with example. 2. Differentiate dictionary and list. Ms. Mitali Dixit Page 6

7 Practical No. 6 Write a Python function that accepts a string and calculate the number of upper case letters and lower case letters Sample String : 'The quick Brow Fox' Expected Output : No. of Upper case characters : 3 To make aware of passing named parameter and positional parameter. Writing function definition, calling of a function and type of parameters passing. CO1: design and implement programs using Python programming language Page No Distinguish named parameter and positional parameter. 2. What is the significance of using * and ** with respect to function parameter? Ms. Mitali Dixit Page 7

8 Practical No. 7 Write a Python class to implement pow(x, n). To make aware of classes and object oriented concepts. Object oriented concepts. 1.5 Hour CO1: design and implement programs using Python programming language Page no How to define constructor in a class? 2. Can we create multiple default constructor in class? Ms. Mitali Dixit Page 8

9 Practical No. 8 Write a program to create parent class Person and from it derive two classes namely Student and Employee. Classes shall have following attributes and methods: Person name, age, gender, city, get(), set() Student id, sem, div, sub1marks, sub2marks, sub3marks, result() Employee id, designation, salary, gross_salary() Note: for gross_salary() consider following value: If salary < then HRA=10%, DA=5%, PF=200 If salary > then HRA=15%, DA=7%, PF=10% To make aware of inheritance and its types. Object oriented concepts. 1.5 Hour CO1: design and implement programs using Python programming language Page no Write pros and cons of each multi level inheritance. 4. How new MRO is good than classic MRO? Ms. Mitali Dixit Page 9

10 Practical No. 9 Enrollment No Create classes Area,Triangle and Square. Area c l a s s c o n t a i n s a method call area_cal() to calculate area of particular shape based on which class object called it and even contain print_area() method used to print area calculated. Use method overriding concept. To make aware of inheritance and method overriding. Object oriented concepts. CO1: design and implement programs using Python programming language Page no How delegating super class method supports multi level inheritance? 2. Write a code which demonstrate overriding attributes and methods. Ms. Mitali Dixit Page

11 Practical No. 10 A payroll program can make use of inheritance to take care of different classes of employees such as Manager, Scientist. They all share basic characteristics such as: Empno Empname Salary In addition to the common characteristics, they may have some additional ones: Manager will get bonus and Scientist will get prize Each class should have its own set of properties and common method ShowData() which will calculate total bonus amount and total prizes. Write a python program to implement such situation. To make aware of multi level inheritance. Object oriented concepts. CO1: design and implement programs using Python programming language Page no Write usage of init method. 2. Write example of cooperative super class method calling. Ms. Mitali Dixit Page 10

12 Practical No. 11 Generate translation.py using Translation table concept, to implement following actions: a. Generate translation table with mapping of small vowels to capital vowels b. Apply the generated translation table on string to replace the mapped character To make aware of Template class and methods. Usage of string library. CO2: comprehend the standard libraries and modules namely re, string and os. Page no Describe the methods provided by template string. 2. Differentiate substitute and safe_substitute method. Ms. Mitali Dixit Page 11

13 Practical No. 12 Write a python shell script which searches the string and replaced by another string. Also display how many strings have been replaced. To make aware of regular expression object methods. Regular expression and string methods. CO3: develop program to solve pattern matching problem using re module. Page no Give brief idea about regular expression object methods. 2. Write a python statement to demonstrate the difference of match and search method. Secured by the student Ms. Mitali Dixit Page 12

14 Practical No. 13 Write a program to print string starts in following pattern from given sequence of string. If pattern do not match then provide appropriate message. a. A.* b. AB.* c. AC.* d. AD.* To make aware of pattern searching using RE. Regular expression. CO3: develop program to solve pattern matching problem using re module. Page no List out the RE pattern with their meaning. 2. Write the above given program with search method. Ms. Mitali Dixit Page 13

15 Practical No. 14 Write a menu driven program that contains following menu items. 1. Print total number of sub-directory in current directory. 2. Print total number of files available in sub-directory of given path. 3. Print current given directory name exists or not. 4. Remove.txt files from given path. To make aware of OS file object methods. File object. CO4: develop program to perform operations on file using os module. Page no Explain open() method to create file with all file mode. 2. Differentiate read, readline and readlines methods. Ms. Mitali Dixit Page 14

16 Practical No. 15 Write a program to search digits from file and print addition of all digits. To make aware library of OS module. File object methods. CO4: develop program to perform operations on file using os module. Page no Describe four methods of shutil module. 2. Write one line description for all methods of os.path module. Ms. Mitali Dixit Page 15

17 .Practical No. 16 Create a window which contains an Entry box and a button. On click of button, content of Entry box shall be written into the txt file. Appropriate validation is required. To make aware of Tkinter GUI programming. Tkinter fundamentals. CO4: develop program to perform operations on file using os module. CO5: use Tkinter module to create widgets. Page No , Write about the functions available with TkMessagebox module to print different type of message. 2. Write about the functions available with TkFileDialog module. Ms. Mitali Dixit Page 16

18 Practical No. 17 Create a facebook registration page with proper validation using Tkinter. On submit redirect a control on log-in page. To log-in in to his/her account, user has to provide log-in credential. On submitting log-in credential another window should be opened with welcome message using user name. To make aware of Tkinter GUI programming with container widget. Container widget. CO5: use Tkinter module to create widgets. Page No Which other container is available to solve this problem? 2. Explain the methods of top level container. Ms. Mitali Dixit Page 17

19 Practical No. 18 Create a text editor using Tkinter. Basic functionality should be added such as Selection,Select all,bold, italic, underline to selection. To make aware of text editor class in Tkinter. Widget fundamentals. CO5: use Tkinter module to create widgets. Page No Write about text widget methods. 2. How marks and tags are useful in text editor? Ms. Mitali Dixit Page 18

20 Practical No. 19 Create a window which contains a menu for colour,cursor and exit options, on click of color option a window which contains following menu and options should be open, on click of particular color option, frame background should be changed, on click of cursor option,cursor shape should be change, and on click of exit, window should be close. Color Menu Red, Green, Blue, Yellow, Exit. Cursor Menu arrow, circle, clock, cross, dotbox, exchange, Exit To make aware of menu bar with Tkinter. Widget fundamentals, container widget. PEO2: To provide quality practical skill of tools and technologies to solve CO5: use Tkinter module to create widgets. Laborator y Page No Explain menu specific methods. 2. How many menu entries are available? Define each. Out of Marks 1 0 Vi va 5 Ms. Mitali Dixit Page 20

21 Practical No. 20 Using Tkinter, write a menu driven program to insert, update, and delete data of students with the help of SQLite3 database table and generate mark sheet of particular student in appropriate format. To make aware of database operations in python. DBAPI 2.0 CO6: use and explore DBAPImodule to work with database using Python. Page No Comprehend DBAPI Give example of connection object method. Ms. Mitali Dixit Page 21