AKTU MCA Python Programming (BMC301) Question Paper 2025-26

Note: Attempt all Sections. In case of any missing data; choose suitably.

Section A

Q1. Attempt all questions in brief · 2 × 7 = 14 marks

1. What is the purpose of the id() function in Python?
2. How does list slicing differ from string slicing in Python?
3. State one key property that distinguishes a dictionary from a list in Python.
4. What is the role of the __init__.py file in a Python package?
5. Define an 'exception' in the context of Python programming.
6. Differentiate between the break and continue statements in a loop.
7. Why are tuples considered 'immutable' data types?

Section B

Q2. Attempt any three of the following · 7 × 3 = 21 marks

1. CO-1 number or not. Explain the logic used. Demonstrate with an example how negative indexing and slicing work on Python
2. CO-2 strings. Write a code snippet to reverse a string using slicing. Explain the concept of 'recursion' in Python functions. Write a recursive function
3. CO-3 to calculate the factorial of a number. Describe the different file opening modes in Python. Write a program to read a
4. CO-4 text file and count the number of lines in it. What is a DataFrame in the context of Python for data analysis? How is it
5. CO-5 different from a Series? Write code to create a simple DataFrame using pandas.

Section C

Q3

Attempt any one part of the following · 7 × 1 = 7 marks

1. CO-1 conventions, and line length. Why is adherence to these standards important?
2. Write a Python program that takes a number as input and prints its multiplication table up to 10, using nested loops. Also, handle invalid input using exception handling.

Q4

Attempt any one part of the following · 7 × 1 = 7 marks

1. CO-2 Under what circumstances would you prefer using a tuple over a list? Write a Python program that takes a list of numbers and returns a new
2. CO-2 list containing only the even numbers. Use list comprehension.

Q5

Attempt any one part of the following · 7 × 1 = 7 marks

1. CO-3 How does this distinction affect the way arguments are passed to functions?
2. Write a Python function that accepts a dictionary as an argument and returns a new dictionary with keys and values swapped. Handle cases where values are not unique.

Q6

Attempt any one part of the following · 7 × 1 = 7 marks

1. CO-4 each. How do these modules enhance the functionality of Python? Write a Python program that uses regular expressions to find all email addresses
2. CO-4 in a given text file.

Q7

Attempt any one part of the following · 7 × 1 = 7 marks

1. CO-5 suitable example. How do user-defined exceptions improve error handling? Write a Python program to read a CSV file using pandas, display its first five
2. CO-5 rows, and handle any potential file-related exceptions.

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