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Python Python Collections (Retired) Tuples Combo

Thurman Ward
Thurman Ward
2,718 Points
Posted by Thurman Ward
Thurman Ward
2,718 Points

am I missing something obvious? or is something not working right?

I am trying to do the combo() challenge and i get the error: Bummer: Where's combo()?

zippy.py 
# combo([1, 2, 3], 'abc')
# Output:
# [(1, 'a'), (2, 'b'), (3, 'c')]
# If you use .append(), you'll want to pass it a tuple of new values.
def combo(ls1, ls2):
    count = 0
    for item in ls1:
        count=+1
        t_list[(ls1[count],ls2[count])]
    return t_list

2 Answers

Kourosh Raeen
Kourosh Raeen
23,733 Points
Kourosh Raeen
Kourosh Raeen
23,733 Points

Hi Thurman - You need to first define t_list before the loop:

# combo([1, 2, 3], 'abc')
# Output:
# [(1, 'a'), (2, 'b'), (3, 'c')]
# If you use .append(), you'll want to pass it a tuple of new values.
def combo(ls1, ls2):
    count = 0
    t_list = []
    for item in ls1:

    return t_list

Then inside the loop use append() to add the tuples to the list. You also need to increment count after appending and not before; otherwise you skip the items at index 0. Last point, count =+ 1 should be count += 1.