Python Variables and Input

What is a variable in Python?

• A variable in Python is a data type.

• A variable in Python is a function.

• A variable in Python is a loop control statement.

• A variable in Python is a name that refers to a value.

How do you declare a variable in Python?

• You assign a value to a variable name using the '=' operator.

• You use the 'const' keyword to declare a variable.

• You use the 'let' keyword to declare a variable.

• You use the 'var' keyword to declare a variable.

What is the purpose of the 'print' function in Python?

• To read input from the user.

• To perform mathematical calculations.

• To display output on the console or terminal.

• To create a new variable.

How do you print multiple variables in a single line in Python?

• print(var1 + var2 + var3)

• print(var1 + ' ' + var2 + ' ' + var3)

• print(var1, '+', var2, '+', var3)

• print(var1, var2, var3)

What is the output of the following code? x = 5 y = 3 print(x + y)

• 8

• 7

• 2

• 15

What is the output of the following code? x = 'Hello' y = 'World' print(x + y)

• HelloWorld!

• HelloWorld

• Hello, World

• Hello World

What is the output of the following code? x = 10 y = '5' print(x + y)

• 15

• TypeError

• 105

• TypeError: unsupported operand type(s) for +: 'int' and 'str'

What is the output of the following code? x = 7 y = 2 print(x / y)

• 3

• 3.0

• 2.5

• 3.5

What is the output of the following code? x = 10 y = 3 print(x // y)

• 2

• 5

• 0

• 3

In Python, what is the "=" operator called?

• Boolean Operator

• Comparison Operator

• Assignment Operator

• Logical Operator

Answer explanation

= is called an assignment operator as it is used to assign a value to a variable. For example, to assign 2023 to the variable named 'year', we write: year = 2023.