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.

Start your free trial

Python

yannis sousanis
yannis sousanis
7,199 Points
Posted by yannis sousanis
yannis sousanis
7,199 Points

I get this error message: Bummer! TypeError: 'type' object is not iterable

What does this mean, and hat am i doing wrong

instances.py 
def combiner(lst):
    nsum =  0
    newstr = ""
    for i in list:
        if isinstance(i, str) == True:
            newstr += i
        elif isinstance(i, int) == True :
            nsum += i
        elif isinstance(i, float) == True :
            nsum += i    


    newstr += str(nsum)
    return newstr

1 Answer

Chris Freeman
MOD
Chris Freeman
Treehouse Moderator 68,457 Points
Chris Freeman
Chris Freeman
Treehouse Moderator 68,457 Points

You have a typo. The variable list is a built-in Python type. I believe you meant to use lst in the line:

    for i in lst: