# Answer to Question #43981 in Python for Gwen

Question #43981

Write a program that repeatedly asks a user to enter a number. The program will sum up all the even number that the user keyed in. Terminate the program when the user enters -10, and display the sum of all the EVEN numbers entered by the user (exclude -10).

Please help the part, I have no idea how to do the sum of even number. But, other than that, I am able to do. Thank you.

Please help the part, I have no idea how to do the sum of even number. But, other than that, I am able to do. Thank you.

Expert's answer

`number_list = []`

while True:

number_list.append(int(raw_input("Enter Number: ")))

if number_list[-1] == -10:

break

s = 0 #sum

for i in number_list[:-1]:

if i % 2 == 0:

s += i

print "Sum of all the even numbers ", s

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