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+7 votes
asked in old_CSC201 by (8 points)

1 Answer

+2 votes

Since there are a couple of placed in the game loop that you are removing values, it may be that you have removed something from a list already and then try to again.

The in operator can be used to check to see if something is in a list before trying to remove it.

For example:

if (spider in spiderList) and ..... :

 spiderList.remove(spider)

The remover statement would only execute if the spider is in the spiderList avoiding the error mentioned.

answered by (8 points)
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