#I do know that the f tag allows me to put varribels in a message# 
number = 0
number1 = 0
sigma = 0

while number1 != 99 :
    number1 = int(input("Enter a number: "))
    number3 = number1
    number = number + number3
    sigma = sigma + 1

print("Total:  ", number)
print(" average: ", number/sigma)