Python Programming

Python uses __________ to define blocks of code

1. Braces
2. Indentation
3. Parentheses
4. Semicolon

The operator used for exponentiation is

1. ^
2. //
3. **
4. %

The default step value in slicing is

1. 0
2. 1
3. -1
4. 2

Strings in Python are

1. Mutable
2. Dynamic Arrays
3. Immutable
4. Numeric Objects

Negative indexing begins from

1. First element
2. Last element
3. Middle element
4. Zero index

Dictionaries store data in the form of

1. Indexes
2. Key-value pairs
3. Lists
4. Tuples

The function used to combine two sequences into pairs is

1. join()
2. pair()
3. zip()
4. merge()

Pickle module is mainly used for

1. Image processing
2. Networking
3. Object serialization
4. Graphics

CSV stands for

1. Common Separated Values
2. Character Separated Values
3. Comma Separated Values
4. Column Separated Variables

Python is known as a __________ typed language.

1. Weakly
2. Statically
3. Dynamically
4. Manually

Explain the different features of Python Programming language. What are the different arithmetic operators in Python? Explain their precedence and associativity.

What are the basic data types in Python? How does Python decide the type of any variable? How a float is converted to an integer? Explain.

Evaluate the importance of user-defined functions in Python. Compare them with built-in functions and discuss situations where each should be preferred.

Assess the significance of string slicing, indexing and formatting in Python. Demonstrate the output of the following statements and justify your answers.

s = "Programming"
print(s[2:8])
print(s[-5:])
print(s[::-1])

Differentiate between Lists, Tuples and Sets on the basis of syntax, mutability, indexing, performance and applications. Support your comparison with suitable examples.

Construct a Python program that creates a dictionary containing employee ID, employee name and salary. Display all records and update the salary of a given employee using suitable dictionary methods.

Write a python program to find Greatest Common Divisor of two numbers.

Illustrate with suitable examples the following list methods in Python:
(i) insert   (ii) append   (iii) pop   (iv) extend

Write the differences between the if, if-else and if-elif-else statements in Python. Provide code examples to demonstrate the usage and scenarios where each statement is preferred.

Explain the utility of break and continue statement with an example.

What is dictionary and how it is created in Python? What is meant by key-value pairs in a dictionary? How does del operation work on dictionaries? Give an example.

Write a python program to read two numbers. Then find out whether the first number is a multiple of the second number.

Design a Python program to create a text file, write the details of ten students into it, and subsequently read the stored data. Discuss the sequence of file operations involved in the program.

Justify the significance of the os and os.path modules in Python. Demonstrate the use of suitable functions to create directories, determine file paths and verify file existence.

Dynamic and Strongly Typed Language

Type Conversion

Scope and Lifetime of Variables

CSV File Handling