Python Programming

What is the difference between Python 2 and Python 3?

• Python 2 is more suitable for web development than Python 3

• Python 3 is not backward compatible with Python 2

• Python 3 is no longer supported by the Python Software Foundation

• Python 2 and Python 3 have the same syntax and libraries

Explain the concept of list comprehension in Python.

• List comprehension is a way to create dictionaries in Python

• List comprehension is a concise way to create lists in Python by using a single line of code.

• List comprehension is a method to create classes in Python

• List comprehension is a way to create tuples in Python

What is the purpose of the 'self' keyword in Python?

• To create a new instance of the class

• To define a new method in the class

• To access global variables

• To refer to the instance of the class

How do you open and read a file in Python?

• Use the 'open' function to open the file and the 'read' method to read its contents.

• Use the 'open' method to open the file and the 'read' function to read its contents.

• Use the 'start' function to open the file and the 'read' method to read its contents.

• Use the 'open' function to close the file and the 'read' method to read its contents.

Explain the use of the 'if __name__ == '__main__':' statement in Python.

• It is used to import external libraries in Python

• It is used to create a loop in Python

• It is used to define a new function in Python

• It is used to check if the script is being run directly or being imported as a module.

What is the difference between a tuple and a list in Python?

• A tuple can only store integers, while a list can store any data type.

• A tuple can be sorted, while a list cannot be sorted.

• A tuple can be resized, while a list has a fixed size.

• A tuple is immutable, while a list is mutable.

How do you handle exceptions in Python?

• By using try and except blocks

• By using if-else statements

• By using switch-case statements

• By using for loops

Explain the concept of inheritance in Python.

• Inheritance in Python is used to create new instances of a class.

• Inheritance in Python is not supported.

• Inheritance in Python allows a class to inherit attributes and methods from another class.

• Inheritance in Python only allows a class to inherit methods, not attributes.

What is the purpose of the 'pass' statement in Python?

• It is used as a placeholder for future code.

• It is used to end a loop in Python

• It is used to print a message to the console

• It is used to define a new function in Python

How do you create a function in Python?

• functionName(parameters) = def

• def functionName(parameters):

• functionName(parameters) = def functionName

• functionName = def(parameters)