Using basic Python programs below. Please add # line explanations for the following 5 beginner Python programs.

Thank You in advance. Im trying to figure out what each line does that individually

def main (): sum = 0 . 0 count = 0 x = eval (input ("Enter a number (negative to quit) >> ")) while x >= 0: sum = sum + x count count + 1 x = eval (input ("Enter a number (negative to quit) >> ") print ("InThe average of the numbers is", sum / count) main ()