Variable Declaration and Strings Quiz

What is the correct way to declare a variable in Python?

• Use the keyword 'var' to declare a variable in Python.

• Use the keyword 'let' to declare a variable in Python.

• Use the assignment operator (=) to declare a variable in Python.

• Use the keyword 'const' to declare a variable in Python.

Which of the following is a valid variable name in Python?

• my-variable

• my_variable

• my variable

• myVariable

What is the data type of the variable 'x' in the statement: x = 5.7?

• float

• boolean

• string

• integer

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

• 50

• 105

• 15

• 3

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

• HelloWorld

• Hello + World

• Hello, World

• Hello World

What is the correct way to concatenate two strings in Python?

• +

• &

• -

• *

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

• 15

• 53

• 5555

• 555

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

• TypeError

• 8

• 15

• 53

What is the output of the following code? x = 'Hello' print(x[1])

• H

• l

• o

• e

What is the output of the following code? x = 'Hello' print(len(x))

• 5

• 4

• 6

• 7