None shown in output

[Benjamin Kaplan]

damn

On Thu, Jun 21, 2012 at 9:24 PM, Benjamin Kaplan
<benjamin.kaplan at case.edu> wrote:
> On Thu, Jun 21, 2012 at 8:42 PM, Xander Solis <xrsolis at gmail.com> wrote:
>> Hello Python list,
>>
>> Noob here with a newbie question. I'm reading and working on the exercise of
>> the book, Learn Python the Hard way 2.0. When I use this code, I get "None"
>> on the output. My question is why does this happen?
>>
>> def get_numbers(first_num, second_num, operator):
>>
>>     if operator == 'add':
>>         print first_num + second_num
>>     elif operator == 'minus':
>>         print first_num - second_num
>>     elif operator == 'divide':
>>         print first_num / second_num
>>     elif operator == 'multiply':
>>         print first_num * second_num
>>
>> print "%r" % (get_numbers(1, 2, 'minus'))
>> print "%r" % (get_numbers(1+3, 2+9, 'add'))
>> print "%r" % (get_numbers(10, 2, 'divide'))
>>
>> Output:
>>
>> C:\code\python>ex19.py
>> -1
>> None
>> 15
>> None
>> 5
>> None
>> 7.5
>>
>> --
>>
>> Thanks in advance for your help.
>>
>> Regards,
>>
>> Xander
>>
>
> printing something just writes the value to th

I hate when I accidentally hit send early. Anyway, Michael already
gave you the reason- print and return two different things.