online.serv...@ymail.com wrote:
python's list needs a thing list.clear() like c# arraylist
and
python needs a writeline() method
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(While you are correct that Python needs these things, a better
attitude, as a newbie, would be to *ask* how Python supplies these
features you want, because in fact, they have been included in the
language for a very long time.)
Both
some_list[:] = []
and
del some_list[:]
will clear the contents of a list, but will leave the identity of the
list unchanged.
That is
A = [1,2,3]
B = A
del A[:]
will leave both A and B referencing the same empty list.
Alternatively
A = [1,2,3]
B = A
A = []
will leave A referencing a new empty list,
but B will reference the original [1,2,3] list.
As for a writeline(), and guessing what it is you want, I'd say look at the
print>>outfile, ...
form in Python 2.5. In Python 3.X, the
print(...)
function will get you the functionality (I think) you want.
Gary Herron
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