Which is the best way...
BPettersen at NAREX.com
Wed Aug 15 23:07:18 CEST 2001
> From: Matthew D. Wood [mailto:woodm at equire.com]
> I have an interesting code-correctness question. I firmly believe in
> doing things 'The Right Way' and I'm not sure which of these
> 3 blocks is
> better. So, if you code-guru's could help me out I would definitely
> appreciate it.
> # Works, but how much overhead is there in the slicing of the
> range list?
> def first_non_ordered_2 (my_list) :
> for index in range(len(my_list))[:-1] :
> if my_list[index] > my_list[index + 1] :
> return index + 1
> else :
> return None
you could always do range( len(my_list)-1 ), and you don't really need
def first_non_ordered_2 (my_list) :
for index in range( len(my_list)-1 ):
if my_list[index] > my_list[index + 1] :
return index + 1
More information about the Python-list