Which one of the examples is demonstrates the correct use of the "append" function considering the following line of code:
numbers = [5,6,8,9]

One of the following lines of code has an error, find the error and select the correct options.

user_number = input("Enter a number: ")
user_number = user_number + 10
print(user_number)

The print statement is incorrectly written

Text after the input in parentheses is not allowed

What is the output of the following lines of code after entering 5 as input?

user = input("Enter anything you want: ")
user = user * 5
print(user)

Which line of code can be used to add a value to the end of the string below?

letters = "Hi,"

letters = letters + " how are you today?"

What is the "len" function used for?