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Hi I'm also new to Python but would like to reply. Like others have stated there is a built in function (sum) that can give the sum of the elements of a list, but if what you are trying to do is learn how to use the while command here is some code that will work. Your question: My question is in a while loop; how do l sum all the numbers in the given list (list_a)? list_a = [8, 5, 2, 4] sum_a = 0 # for storing the sum of list_a i = 0 # for looping through the list_a# Use a while loop to sum all numbers in list_a# If you store the sums into sum_a print(sum_a) # should print 19 My answer: list_a = [8, 5, 2, 4] sum_a = 0 i = 0 while i < (len(list_a)): sum_a += list_a[i] i += 1 print(sum_a) -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://mail.python.org/pipermail/python-list/attachments/20150908/4c500db5/attachment.html>

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