> Don't you want to just test that the number of "("s equals the number of
> ")"s or am I missing the point?
I had this idea too, but there is additional requirement that any
beginning must have greater or equal number of '(' than ')'.
--
Adrian
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Strings are immutable, so your method of slicing one letter at time
will be building lots of them. That shouldn't hurt you here, but it
will when you hit a bigger problem. In the i() there should be "return
op == 0" on the end.
def well(expr):
mapping = {'(':1, ')':-1}
count = 0
for s in exp
The recommended Debian way is update-alternatives. I find it a bit
unintuitive, so I have to read through the documentation every time I
use it, but it should be able link a chosen version of python to /usr/
bin/python. I don't know if it's set up by default, I have only one
version installed.
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A
Could you explain your high level goal for this? It looks like a very
wicked way of doing things. Have You tried to read the list methods'
documentation? Maybe there you find something you need (like
list.index)?
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Adrian
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