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# function.py Challenge task 2 of 2

Need help with challenge task 2 of 2

functions.py
```# add_list([1, 2, 3]) should return 6
# summarize([1, 2, 3]) should return "The sum of [1, 2, 3] is 6."
# Note: both functions will only take *one* argument each.
arr = [1, 2, 3]
total = 0
for item in arr:
total += item

def summarize(arr):
list = str(arr)
total = 0
for item in arr:
total = total + item
return " The sum of {} is {}. ".format(sum,total)
```

You've got the right idea, just need a couple of changes to pass the challenge.

```arr = [1, 2, 3]
total = 0
for item in arr:
total += item

def summarize(arr):
list = str(arr)
total = 0
for item in arr:
total = total + item

# Remove the spaces at the start and end of your string.
# Replace sum with arr, sum and total are the same.
return " The sum of {} is {}. ".format(sum,total)
```

You can also substantially shorten the summarize() function by taking advantage of the first function you created (i.e. add_list()). This is the beauty of functions!

list_1 = [1, 2, 3]

def add_list(list): tot = 0 for item in list: tot += item return tot

def summarize(list): return "The sum of {} is {}.".format(list, add_list(list))