Re: unsupported operand type(s) python v2.7

[Wolfgang Maier]

On 20.10.2015 10:44, ngangsia akumbo wrote:
def n():
        34 * 2
        
def g():
        4 + 2


Your n and g functions do not have an explicit return so, after doing 
their calculations and throwing the result away, they return None.

def ng():
        return n() + g()

ng()

Traceback (most recent call last):
   File "<pyshell#14>", line 1, in <module>
     ng()
   File "<pyshell#13>", line 2, in ng
     return n() + g()
TypeError: unsupported operand type(s) for +: 'NoneType' and 'NoneType'


The attempt in ng to add None to None then produce the exception you are 
seeing.


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