Mastering Python Programming Concepts

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

• 4

• 9

• 6

• 8

How do you create a list in Python?

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

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

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

• You create a list in Python by using the list() function without any arguments, e.g., my_list = list().

What keyword is used to define a function in Python?

• function

• method

• procedure

• def

What is the purpose of the 'self' parameter in class methods?

• The 'self' parameter is required for inheritance in classes.

• The 'self' parameter is used to define class variables.

• The 'self' parameter is a placeholder for static methods.

• The 'self' parameter allows class methods to access instance attributes and methods.

How can you handle exceptions in Python?

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

• Use print statements to debug exceptions in Python.

• Ignore exceptions and continue execution.

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

What is the difference between a list and a tuple?

• A list can only contain numbers, while a tuple can contain any data type.

• A list is defined with {}, while a tuple is defined with []

• A list is immutable and defined with [], while a tuple is mutable and defined with ().

• A list is mutable and defined with [], while a tuple is immutable and defined with ().

How do you read a file in Python?

• Use 'read_file("filename.txt")' to read a file in Python.

• Read a file by calling 'file.read()' directly without opening it.

• Use 'open(file.txt)' to read a file in Python.

• Use 'with open("filename.txt", "r") as file: content = file.read()' to read a file in Python.

What is a lambda function?

• A lambda function is a type of variable in Python.

• A lambda function is a built-in data structure in Python.

• A lambda function is a method for defining classes in Python.

• A lambda function is an anonymous function defined with the lambda keyword in Python.

How do you import a module in Python?

• Use the 'require' statement to load a module.

• Modules can be imported using the 'load' command.

• You can import a module by typing its name directly in the console.

• Use the 'import' statement followed by the module name.

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

• To import modules into the script.

• To declare global variables in the script.

• To define a function in the script.

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