Julia Golem Julia Golem - 1 year ago 140
Python Question

Python typeerror int object not iterable, sum function issue (I think)

The object of the program is to ask the user how many articles of clothing they collected on each day of a 3 day (weekend) clothes drive, average them, do it again for the second weekend, then average the two weekends (clothes per day).

Here is my code:

import math

num_clothes = int()
weekend_total = int()
weekend_avg = float()
total_clothes = int()
total_avg = float()
index = int()

index = 1
while index <= 2:
index = 1
while index <= 3:
num_clothes = int(input("How many articles of clothing did you collect today? "))
index = index + 1

weekend_total = sum(num_clothes)
weekend_avg = weekend_total / 3
print("Total Collected:\t", weekend_total)
print("Weekend Average:\t", weekend_avg)
index = index + 1`1

total_clothes = sum(weekend_total)
total_avg = total_clothes / 6
print("Total Number of Clothing Collected:\t", total_clothes)
print("Average Collected:\t", total_avg)

And here is the error i keep getting:

Traceback (most recent call last):
File "G:\ITCS 1140\labs\python\lab 9.py", line 17, in <module>
weekend_total = sum(num_clothes)
TypeError: 'int' object is not iterable

I am trying to make num_clothes into a list and add all the values of it with sum(num_clothes).

Answer Source

Your num_clothes is an variable of type int and you are passing this variable as parameter to the sum function

weekend_total = sum(num_clothes)

You can see by the documentation that, if you want to sum properly, you need an iterator passed as parameters.

If you want to read a list from the user, try to change your input to this:

    a = [int(x) for x in input().split()]  


    >>> a = [int(x) for x in input().split()]
    3 4 5
    >>> a
    [3, 4, 5]
    >>> sum(a)


Alternatively, you can leave your code as it is and change num_clothes to list(). Then, after read the input, append the result to the list:

num_clothes = list()




weekend_total = sum(num_clothes)
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