FAQ: String Methods - Splitting Strings II


This community-built FAQ covers the “Splitting Strings II” exercise from the lesson “String Methods”.

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This exercise can be found in the following Codecademy content:

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FAQs on the exercise Splitting Strings II

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The following throws the following error when run in python 3 interpreter:

Exception has occurred: AttributeError

‘tuple’ object has no attribute ‘split’

File "C:\dev\Py-1\Test\string_exercises.py", line 47, in <module> author_names = authors.split(",")
authors = "Audre Lorde,Gabriela Mistral,Jean Toomer,An Qi,Walt Whitman,Shel Silverstein,Carmen Boullosa,Kamala Suraiyya,Langston Hughes,Adrienne Rich,Nikki Giovanni"

author_names = authors.split(',')


author_last_names = []
for name in author_names:


code from the error message:

author_names = authors.split(",")

doesn’t match the code you posted:

author_names = authors.split(',')

the error message says authors is a tuple, if i attempt to run the code:


it goes fine. So not sure what goes wrong


Just a small tip in terms of cleanliness, this can be achieved using a simple list comprehension:

author_last_names = [name.split()[-1] for name in author_names]


For the negative index, what is that mean? author_last_names.append (i.split()[-1])

In the script, I try below, but i still don’t know why and how it works. Please inform. Thank you
if [0] return first name. [-1] or [1] return last name.


we can use negative indexes to access the list from the right hand side, so -1 is the right most element in a list or string:

print ['a', 'b', 'c', 'd'][-1] #output: d

so -2 would give c


I see. Thank you so much