[Tutor] About using list in a function

[Mark Lawrence]

On 19/08/2015 18:25, Alan Gauld wrote:
> On 19/08/15 17:09, Michelle Meiduo Wu wrote:
>> Hi there,
>> I'm trying to use List in a function. But it doesn't work. Here are
>> sample code not work: ---------------------------------------def
>> getResult():    ls = []    ls= ls.append(100)    ls=
>> ls.append(200)      return ls
>> reList = []reList = getResult()lsLength = len(reList)print '\n The
>> length of the list is:' +
>> str(lsLength)-----------------------------------------I ran the above
>> code, there is an error message: AttributeError: 'NoneType' object has
>> no attribute 'append'
>> But the code below not using list in a function
>> works.----------------------------------------------### This works:ls
>> = []ls.append(100)ls.append(200)lsLength = len(ls)print '\n list
>> length is: ' +
>> str(lsLength)----------------------------------------------------- Do
>> you know  the reason?
>> Thank you,Michelle
>
> As you can (hopefully!) see above, this message is completely scrambled.
> Normally that means HTML. But the headers suggest it is plain text.
> Also, I see that Steve replied with a correctly formatted inclusion.
>
> Did anyone else get the scrambled version?
> And does anyone have any clues why I did?
>
> (Using Thunderbird v31.8 and normally not having major issues.)
>

Scrambled using Thunderbird 38.2.0 on Windows 10.

-- 
My fellow Pythonistas, ask not what our language can do for you, ask
what you can do for our language.

Mark Lawrence