mattia wrote:
Can you explain me this behaviour:
s = [1,2,3,4,5]
g = (x for x in s)
next(g)
1
s
[1, 2, 3, 4, 5]
del s[0]
s
[2, 3, 4, 5]
next(g)
3
Why next(g) doesn't give me 2?
First it yields s[0] (which is 1), then you delete s[1], then it yields
s[1] (which is now 3). It doesn't yield 2 because that's in now s[0],
and it's already yielded s[0].
In general you shouldn't modify what you're iterating over because the
behaviour depends on how it happens to be implemented.
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