scope question

[Markus Schaber]

Hi,

Vineet <vidog112 at YAHOO.COM> schrub:

> The reason you get an error like that, is because 'count' can only be
> read, not changed. In your first example, you are only referencing
> 'count'
> and therefore, no exception.  However, in your second example, you are
> attempting to write to a global variable from a local function, which
> is not allowed.

It is allowed.

But per default, all Variables that you assign a value are treated 
local. Global variables have to be explicitly "imported" by using the 
command "global variablename" in your function body before your first 
access.

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