1. Define class and object? What are programmer defined types? Explain with example. (05 Marks) (Dec.2019/Jan.2020)

2. Illustrate the concept of pure function with python code. (05 Marks) (Dec.2019/Jan.2020)

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3. What is the difference between method and function? Explain the working of init method with suitable code. (06 Marks) (Dec.2019/Jan.2020)

4. Define attribute? With the help of python code, explain how functions return instance values. (06 Marks) (Dec.2019/Jan.2020)

5. Explain the concept of modifier with python code. (05 Marks) (Dec.2019/Jan.2020)

6. What is type based dispatch? Illustrate with python example. (05 Marks) (Dec.2019/Jan.2020)

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7. What is a Class? How to define a class in Python? How to instantiate a class and how the class members are accessed? (04 Marks) (June/July.2019)

8. Differentiate class variables and instance variables. (02 Marks) (June/July.2019)

9. Write a Python program that uses date time module within a class, takes a birthday as input and prints the age and the number of days, hours, minutes and seconds until the next birthday. (10 Marks) (June/July.2019)

10. Write a program that has a class Point with attributes as X and Y co-ordinates. Create two objects of this class and find the midpoint of both the points. Add a method reflex_x to class point, which returns a new point. Which is the reflection of the point about the x - axis. Ex: point (5, 10) => reflex_x returns point (5, -10). (06 Marks) (June/July.2019)

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11. Differentiate between simple, multiple and multi - level inheritance. (06 Marks) (June/July.2019)

12. Write a program that has a class Person, Inherit a class Student from Person which also has a class MarksAttendance. Assume the attributes for Person class as: USN, Name, dob, gender. Attributes for Student class as : Class , branch , year , MA. Attributes for Marks, Attendance: Marks, Attandance. Create a student S = Student ("lLAB16CS005", "XYZ", "18-1-90", "M", 85, 98) and display the details of the student. (04 Marks) (June/July.2019)

13. How class can be instantiated in python? Write a python program to express instances as return values to define a class RECTANGLE with members width, height, corner_x, corner_y and member function: to find centre, area and perimeter of a rectangle. (08 Marks) (Dec.2018/Jan.2019)

14. Explain init and str method with an example python program. (08 Marks) (Dec.2018/Jan.2019)

15. Define polymorphism. Demonstrate polymorphism with function to find histogram to count the numbers of times each letters appears in a word and in sentence. (08 Marks) (Dec.2018/Jan.2019)

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16. What is a pure function? Write a python program to find duration of event if start and end time is given by defining class TIME. (08 Marks) (Dec.2018/Jan.2019)

17. Create a student class and initialize it with name and roll number. Design methods to:

i. Display_to display all information of the student.

ii. setAge_to assign age to student.

iii. setMarks_to assign marks to the student. (07 Marks) (June/July.2018)

18. Using datetime module write a program that gets the current date and prints the day of the week. (04 Marks) (June/July.2018)

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19. What are polymorphic functions? Explain with a snippet code. (05 Marks) (June/July.2018)

20. What does the keyword self in Python mean? Explain with an example. (05 Marks) (June/July.2018)

21. Show using a Python code how_init_method is invoked when an object is initiated Explain its working. (06 Marks) (June/July.2018)

22. Explain _ str_ method with a Python program. (05Marks) (June/July.2018)