Introduction to Python Quiz

Which of the following statements about variables is true?

• Variables can only store numbers.

• Variables can store strings, numbers, and other data types.

• Variables must be declared with a type.

• Variables cannot change their value once set.

What is the output of the following code? `print("The result is " + str(5 + 3))`

• The result is 8

• The result is 5 + 3

• The result is 53

• Error

What will the following code output if the user inputs "Alice"? `name = input("Enter your name: ")` `print("Hello " + name)`

• Hello Alice

• Hello "Alice"

• Hello name

• Error

What is the purpose of using quotes in a `print()` statement?

• To indicate a comment

• To define a string

• To perform a calculation

• To declare a variable

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

• 1st_name

• first-name

• first_name

• first name

What will the following code output if the variable `age` is set to 12? `print("You are " + str(age) + " years old.")`

• You are 12 years old.

• You are age years old.

• You are "12" years old.

• Error

Which of the following is NOT a valid way to concatenate strings in Python?

• "Hello" + "World"

• "Hello" "World"

• "Hello" * "World"

• "Hello" + " " + "World"

What will the following code output? `print("Hello, World!")`

• Hello, World!

• "Hello, World!"

• Hello, World

• Error

Which of the following is a correct way to use the `input()` function to ask for a user's name?

• name = input("Enter your name: ")

• name = input(Enter your name)

• name = input("Enter your name")

• name = input(Enter your name: )

What will the following code output? `print("5 + 3 =", 5 + 3)`

• 5 + 3 = 8

• 5 + 3 = 5 + 3

• 5 + 3 = 53

• Error