How are floats used in CSS?

Which of the following is not a sensible variable name for a variable that stores a person's email address?

In programming, what does it mean for a variable to have a 'scope'?

What does the 'str' variable type stand for in Python?

What data types can variables hold?

What is the result of 10 + 3?

Which method is used to concatenate strings in Python?

What is string concatenation?

Which of the following is not a valid variable name?

When accessing a character using string indexing, what happens if the index is out of range?

Which of the following is an example of string concatenation?

What is string formatting?

What happens if you try to assign a value to a variable that hasn't been declared?

What is the result of '42 + '18'?

What is the correct variable type for storing whole numbers in Python?