[Tutor] Global Variables

[bob gailer]

Alan Gauld wrote:
>>
>>
>> dname()
>> ########
>> def dname():
>>    global nl
>
> This looks for or creates an nl in your module. 
Beg to differ- global will not create it.

def f():global a
...
 >>> a
Traceback (most recent call last):
  File "<interactive input>", line 1, in <module>
NameError: name 'a' is not defined

What it does is alert the compiler that assignment to the variable will 
make it global.

-- 
Bob Gailer
Chapel Hill NC
919-636-4239