## Welcome to the Treehouse Community

Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.

### Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.

# I am stuck on Functions Code Challenge

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.
list1=[1,2,3]
sum_of_list=0
for num in list1:
sum_of_list = sum_of_list + num
return sum_of_list
def summarize(list1):
sum_of_list=0
for num in list1:
sum_of_list = sum_of_list + num
return "The sum of {} is {}.".format(str(list1),str(sum_of_list)
```

```def summarize(list1):