Mark Nembhard1,385 Points
Why are there so many copies in the taco joint question? It seems like the restaurants has been copied 3 times
I am looking at the code and it seems like the repetition is one two much
Steven Parker200,416 Points
There are two calls to "copy" in the example. The first creates "taco_joints" so it can be modified without affecting "restaurants", and the second one is for the loop to make sure the modification does not interfere with the iteration.
But you're right, the loop could have been based on "restaurants" instead of making another copy. Good eye!