Question #3241
Write a program that repeatedly asks a user to enter a number. The program will sum up all the number that the user keyed in. Terminate the program when the user enters -9, and display the sum of all the numbers entered by the user (exclude -9).
Expert's answer
sum = 0
while True:
number = float(input ("Enter a number: "))
if number == -9: break
sum += number
print ("The sum is", sum)
while True:
number = float(input ("Enter a number: "))
if number == -9: break
sum += number
print ("The sum is", sum)
