Iteration index

[Alex Martelli]

"Marek Augustyn" <maug at kopnet.gliwice.pl> wrote in message
news:9f63lo$rb0$1 at zeus.polsl.gliwice.pl...
> Hello!
>
> 1. Do I have to use additional variable when I want to know iteration
index?
> Example:
>
> s = ('a', 'b', 'ala', 'a')
> i = 0 # additional variable
> for el in s:
>     print i, el
>     i += 1

You may work this in several ways, such as the one you used, or:
    for i in range(len(s)):
        print i, s[i]
or
    for i, el in zip(range(len(s)), s):
        print i, el


> 2. Are there block comments in Python? (like /* */ in C)

Not quite, but triple-quoted strings can often serve a similar
purpose of "commenting out" blocks of lines.


Alex