python without OO

[Nick Coghlan]

beliavsky at aol.com wrote:
> Furthermore, if in Python the algorithm for the reverse function
> applies to many kinds of objects, it just needs to be coded once,
> whereas a reverse method would have to provided for each class that
> uses it (perhaps through inheritance).

Indeed, this is why Python not only provides the list.reverse() method to 
reverse a list in place, but also provides the reversed() function to reverse 
any sequence:

Py> lst = list("ABCDEFGHIJ")
Py> lst.reverse()
Py> print "".join(lst)
JIHGFEDCBA
Py> print "".join(reversed(lst))
ABCDEFGHIJ

Ditto list.sort() and sorted().

Cheers,
Nick.

-- 
Nick Coghlan   |   ncoghlan at email.com   |   Brisbane, Australia
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