Mastering Python Basics

What are the main data types in Python?

• float, complex, list

• boolean, character, array

• The main data types in Python are: int, float, str, list, tuple, dict, and set.

• string, number, object

How do you declare a variable in Python?

• variable_name : value

• declare variable_name as value

• value = variable_name

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

What is the output of the expression 3 * 1 ** 3?

• 3

• 1

• 9

• 0

Explain the difference between 'if', 'elif', and 'else' statements.

• 'if' checks for syntax errors, 'elif' is for debugging, and 'else' is for code optimization.

• 'if' checks a condition, 'elif' checks additional conditions, and 'else' executes if none are true.

• 'if' is used for loops, 'elif' is a type of function, and 'else' is for error handling.

• 'if' is for defining variables, 'elif' is for importing libraries, and 'else' is for comments.

What is a for loop and how is it used in Python?

• A for loop is a way to handle exceptions in Python.

• A for loop is used to define functions in Python.

• A for loop is a control flow statement for iterating over a sequence in Python.

• A for loop is a method for creating classes in Python.

How do you define a function in Python?

• function function_name(parameters) { return value; }

• def function_name(parameters): # function body return value

• create function_name(parameters) { return value; }

• function_name(parameters) => value

What is the purpose of the 'return' statement in a function?

• The purpose of the 'return' statement is to provide a value from a function to its caller.

• To create a loop within the function.

• To end the function execution immediately.

• To define the function's parameters.

How can you import a module in Python?

• Modules can be imported by typing 'include' followed by the module name.

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

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

• Import modules by using the 'load' command.

What is the difference between a list and a tuple?

• A list is mutable; a tuple is immutable.

• A list is always ordered; a tuple is always unordered.

• 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.

What is the result of the expression 5 + 2 * 3?

• 11

• 21

• 8

• 17