'string.join' is wrong in my Python console

[dieter]

Robert <rxjwg98 at gmail.com> writes:

> I read the tutorial on "Why is join() a string method instead of a list
>  or tuple method?"
> at link:
> https://docs.python.org/2/faq/design.html#why-must-self-be-used-explicitly-in-method-definitions-and-calls
>
> I have a problem on running the last line:
> ---------------
> If none of these arguments persuade you, then for the moment you can
>  continue to use the join() function from the string module, which allows
>  you to write
>
> string.join(['1', '2', '4', '8', '16'], ", ")
> -----------------------
>
> My Python console is 2.7. It should be no problem because I see the tutorial
> is 2.7 too.
>
> The console has these display:
>
> string.join(['1', '2', '4', '8', '16'], ", ")
> ---------------------------------------------------------------------------
> NameError                                 Traceback (most recent call last)
> <ipython-input-15-3947890a7e6e> in <module>()
> ----> 1 string.join(['1', '2', '4', '8', '16'], ", ")
>
> NameError: name 'string' is not defined 

You need to import the "string" module before you can use it.