Introduction to Python Programming

What is the correct file extension for Python files?

• .py

• .java

• .txt

• .cpp

How do you create a variable in Python?

• You create a variable in Python by using the syntax: value = variable_name.

• You initialize a variable in Python by writing: variable_name : value.

• You declare a variable in Python with the command: var variable_name;

• You create a variable in Python by using the syntax: variable_name = value.

What keyword is used to define a function in Python?

• function

• def

• define

• method

Which of the following is a valid way to comment in Python?

• /* This is a comment */

• # This is a comment

• // This is a comment

What is the output of print(2 ** 3)?

• 6

• 9

• 8

• 4

How do you create a list in Python?

• You create a list in Python using curly braces, e.g., my_list = {1, 2, 3}.

• You create a list in Python using parentheses, e.g., my_list = (1, 2, 3).

• You create a list in Python by using the list() function without any arguments.

• You create a list in Python using square brackets, e.g., my_list = [1, 2, 3].

What function is used to read input from the user?

• input()

• getUserInput()

• readInput()

• fetchInput()

What is the purpose of the 'if __name__ == "__main__":' statement?

• To allow code to run only when the script is executed directly, not when imported.

• To handle exceptions in the code.

• To ensure the script runs faster when imported.

• To define global variables for the entire script.

How do you handle exceptions in Python?

• Use if-else statements to handle exceptions in Python.

• Use try-except blocks to handle exceptions in Python.

• Ignore exceptions and continue execution.

• Use print statements to debug exceptions in Python.

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

• Lists can contain only numbers while tuples can contain any data type.

• The main difference is that lists are mutable and tuples are immutable.

• Tuples are created using square brackets while lists use parentheses.

• Lists are faster than tuples in all operations.