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Python Python Collections (2016, retired 2019) Lists Combining Lists

Posted by Mahyar Najizad
Mahyar Najizad
5,863 Points

Problem

I don't know what is wrong with my code at the third stage?

lists.py 
best=[1,2,3]
best.extend("ab")
best.insert("start",0)

1 Answer

Stuart Wright
Stuart Wright
41,120 Points
Stuart Wright
Stuart Wright
41,120 Points

Python's insert method takes the index as its first argument, and the element to be inserted as the second. So:

best.insert(0, "start")