what means return in python code example

Example: what means return in python

# Lets say you have a nice game

def finish_game(score):
  tickets = 10 * score
  if score >= 10:
    tickets += 50
  elif score >= 7:
    tickets += 20
  return tickets

# You finish with your game with 10 points, you will get 150 Tickets
# Depending on your score on the game you get tickets
# Thats why return can be very usefull when comparing and saving data