> That's two new things I've learnt. I didn't realise that for loops
> could be used like that (with more than one... key?).
Technically its still one key but enumerate returns a tuple
of index and value and we use tuple unpacking to assign
the values to the loop variables. That is we could write it like:
for tup in enumerate(sequence):
index = tup[0]
value = tup[1]
# process stufff here
OR:
for tup in enumerate(sequence):
index,value = tup
# process stufff here
Which becomes
for index, value in enumerate(sequence):
# process stufff here
HTH,
Alan G.
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