Mastering Python Basics

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

• 8

• 9

• 6

• 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, e.g., my_list = list(1, 2, 3).

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

What keyword is used to define a function in Python?

• method

• def

• function

• define

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

• The 'self' parameter is used to refer to the instance of the class in class methods.

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

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

• The 'self' parameter is used to create new classes.

How do you handle exceptions in Python?

• Use try-except blocks to handle exceptions.

• Log exceptions to a file without handling them.

• Ignore exceptions and continue execution.

• Use if-else statements to handle exceptions.

What is a lambda function?

• A lambda function is a type of loop in programming.

• A lambda function is a built-in function that cannot take arguments.

• A lambda function is a named function defined with the 'def' keyword.

• A lambda function is an anonymous function defined with the 'lambda' keyword, capable of taking multiple arguments but limited to a single expression.

What is the difference between a list and a tuple?

• A list is mutable; a tuple is immutable.

• A list is created using parentheses; a tuple is created using square brackets.

• A list is a fixed size; a tuple can grow or shrink in size.

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

How can you read a file in Python?

• open('filename', 'w') to read a file.

• Use read('filename') to access a file.

• read_file('filename') to open a file.

• Use open('filename', 'r') to read a file.

What does the 'len()' function do?

• The 'len()' function calculates the sum of numbers in a list.

• The 'len()' function converts an object to a string.

• The 'len()' function returns the length of an object.

• The 'len()' function checks if an object is empty.

How do you import a module in Python?

• import module_name

• require module_name

• include module_name

• load module_name