scope question

[Terry Reedy]

> count = 0
> def function():
>    print count
> function()
>#works fine, however, if I type this:
>
> count = 0
> def function():
>    count += 1
>    print count
> function()
>
> UnboundLocalError: local variable 'count' referenced before
assignment

1. Read the manual on variables in function bodies.
2. Binding name anywhere in function body makes it local unlesss you
declare it global:
   global count

Terry J. Reedy