FAQ: Loops - For Each Loops

This community-built FAQ covers the “For Each Loops” exercise from the lesson “Loops”.

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Hi! I didn’t quite understand how the foreach loop repeated the instruction the number of times that was needed to complete the tile pattern in the exercise? I expected it to only repeat the instruction according to the number of items in the list.

2 Likes

" We only need to write placeTile() once because the pink-green-red repetition is already described in the list."

So… the repetition is defined by the input “festiveList = [‘pink’, ‘green’, ‘red’, ‘pink’, ‘green’, ‘red’ ]”?
So, if I were to just input “festiveList = [‘pink’, ‘green’, ‘red’]” once, it wouldn’t loop? I just don’t get why you need to type ‘pink’, ‘green’, ‘red’ twice.

2 Likes

I would like to second this question, can you please explain how the lists were written?
Also where is the code to run each of the different list?
There is only placeTile(color) but how do we know to make it festiveList or moodyList?