Problem:
You have a list of unknown length, such as this: list =
[X,X,X,O,O,O,O]. You want to extract all and only the X's. You know
the X's are all up front and you know that the item after the last X is
an O, or that the list ends with an X. There are never O's between
X's.
I have been using something like this:
_____________________
while list[0] != O:
storage.append(list[0])
list.pop(0)
if len(list) == 0:
break
_____________________
But this seems ugly to me, and using "while" give me the heebies. Is
there a better approach?
hope this is clear.
thanks
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