#Sum It! (30)
##Problem
Use the programming interface to complete this task. You'll be given a list of numbers.
Input: A list of numbers, separated by commas.
Output: The sum of the numbers.
Read the input from a file called addition.in that's in the current working directory, and then write your output to a file called addition.out.
##Hint If you need help, try looking at the Python Tutorial in the Learn section!
##Writeup
file1 = open("addition.in", 'r')
file2 = open("addition.out", 'w')
s = file1.read()
a = s.split(",")
summed = 0
for x in a:
summed += int(x)
file2.write(str(summed)+"\n")
file1.close()
file2.close()##Flag
easyctf{'twas_sum_EZ_programming,_am_I_rite?}