Python Programming Basics

What is a variable in Python?

• A variable in Python is a type of function.

• A variable in Python is a named reference to a value stored in memory.

• A variable in Python is a fixed value that cannot change.

• A variable in Python is a command used to execute code.

Which of the following is a valid data type in Python?

• string

• boolean

• float

• int

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

• 16

• 11

• 8

• 10

How do you create a function in Python?

• function function_name(parameters) {}

• function_name = (parameters) => {}

• create function_name(parameters):

• def function_name(parameters): # function body

What keyword is used to define a function?

• procedure

• def

• function

• method

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

• To execute code conditionally based on a boolean expression.

• To define a function in Python.

• To import modules in Python.

• To create a loop in Python.

How do you create a list in Python?

• 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].

• 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).

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

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

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

How do you access the first element of a list?

• my_list.first()

• my_list[0]

• my_list(1)

• first(my_list)

What operator is used for exponentiation in Python?

• ^

• **-

• **/

• **