Python Programming

Which of the following statements about indentation in Python is correct?

1. Indentation is optional and used only for readability
2. Indentation determines the scope/block of statements
3. Indentation is required only inside functions
4. Python uses braces {} instead of indentation

a = 10
b = 3
c = 2
result = a + b * c ** 2
print(result)
The value of result is:

1. 676
2. 28
3. 22
4. 32

Which statement is used to skip the remaining statements of the current iteration of a loop and proceed with the next iteration?

1. break
2. continue
3. pass
4. return

for i in range(1, 6):
    if i == 3:
        continue
    print(i, end=" ")
What is the output?

1. 1 2 3 4 5
2. 1 2 4 5
3. 1 2 3
4. 4 5

Which statement about a Python list is correct?

1. A list cannot contain duplicate elements
2. A list is immutable
3. A list can contain elements of different data types
4. A list can contain only numeric values

L = [10, 20, 30, 40, 50]
print(L[1:4])
The output is:

1. [10, 20, 30]
2. [20, 30, 40]
3. [20, 30, 40, 50]
4. [10, 20, 30, 40]

Which statement about a tuple is correct?

1. Tuples are mutable
2. Tuples cannot contain duplicate elements
3. Tuples are immutable
4. Tuples can contain only numeric values

Which file mode opens a file for reading binary data?

1. r
2. w
3. rb
4. br

Which OOP concept allows a derived class to acquire properties and methods from a base class?

1. Polymorphism
2. Inheritance
3. Compilation
4. Iteration

Which of the following is a suitable application of NumPy?

1. Creating HTML pages
2. Numerical and array-based computations
3. Sending emails
4. Managing operating-system processes only

Describe the arithmetic and relational operators in Python with suitable examples. Write a Python program to demonstrate their use.

Explain type conversion in Python. Differentiate between implicit and explicit type conversions with suitable code examples

Write a Python program to find the largest of three numbers using appropriate decision control statements.

Explain the scope and lifetime of variables in Python with suitable examples.

Write a Python program using for and while loops to generate a sequence of numbers from 1 to 10. Explain the working of the loops used.

Write a Python program to demonstrate commonly used string methods such as upper(), lower(), replace(), split() and join().

Write a Python program to perform basic operations on a list such as adding, removing, updating and accessing elements. Explain the operations used.

Explain list indexing and slicing in Python with suitable examples. Write a Python program to access and extract specific elements from a list using indexing and slicing.

Consider the following dictionary:
student = {"Name": "Shyam", "Age": 18, "Branch": "CSE", "Marks": 85}
Write Python statements to perform different operations such as accessing values, adding a new key-value pair, modifying a value, deleting an item and displaying all keys and values.

Explain the built-in functions and methods available for tuples in Python with suitable examples.

Write a Python program to create a text file, write data into it and read the contents of the file. Explain the file operations used.

Write a Python program to read a text file and count the number of lines, words and characters in the file. Explain the approach used.

Explain Object-Oriented Design in Python. Discuss how OOP concepts are used in designing Python programs.

What is Inheritance? Explain single inheritance in Python with a suitable example.

Operator Precedence and Associativity

zip() Function in Python

Binary Files in Python

NumPy and Its Applications