l = [[1, 2, 3], [1, 2, 3, 5], [5, 6, 8]]
p = l.copy()
for indx, value in enumerate(p):
del value[0]
print(l)
print(p)
Output: [[2, 3], [2, 3, 5], [6, 8]]
[[2, 3], [2, 3, 5], [6, 8]]
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I'm getting `AttributeError: 'list' object has no attribute 'copy'` – zamir Jan 12 '20 at 22:55
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2You need to make a deepcopy, i.e. copy the inner lists as well. – iz_ Jan 12 '20 at 22:58
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@zamir What version are you on? – iz_ Jan 12 '20 at 23:00
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@iz_ getting same error on both Python 3.6.5 & Python 2.7.15 – zamir Jan 12 '20 at 23:19
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1@zamir no you aren't. That would only be an error on Python 2. – juanpa.arrivillaga Jan 12 '20 at 23:21
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my bad sorry did not notice I was on 2.7.15 at first – zamir Jan 12 '20 at 23:23