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Python Python Collections (Retired) Lists Redux Manipulating Lists

Whats wrong with my code?

Help

lists.py
the_list = ["a", 2, 3, 1, False, [1, 2, 3]]

# Your code goes below here

item = the_list.pop(3)
the_list.insert(0,item)
the_list.remove('a')
the_list.remove(False)
del the_list[:]

2 Answers

rydavim
rydavim
18,785 Points

Welcome to Treehouse!

It looks like you're on the right track, but may have misunderstood part of one of the steps? On the step you're on (2/3), they want you to remove the list within the list - [1, 2, 3].

# You can actually accomplish this on a single line by combining the methods.
# the_list.insert(0, the_list.pop(3))
item = the_list.pop(3)
the_list.insert(0,item)

# The first two lines here are correct.
the_list.remove('a')
the_list.remove(False)

# The del method accepts an index value. 
# In this case, the list [1, 2, 3] currently has an index of 3.
del the_list[:] 

# You can also use remove on the list as well.
# the_list.remove([1, 2, 3])

Everything else looks good so far, nice job! Please let me know if you have any additional questions. Happy coding! :)

Yup , i did misunderstood the question , Thanks again!

Kenneth Love
STAFF
Kenneth Love
Treehouse Guest Teacher

That del the_list[:] is going to delete everything in the_list. Definitely not what you want to have happen.