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How to reassign the value of the variable on runtime?

On Sun, Aug 30, 2015 at 2:18 AM, Ivan Evstegneev
<webmailgroups at gmail.com> wrote:
> As for the globals?  Each function that need to modify the globals should
> contain a "global bar" inside its body?

Only if it's going to _reassign_ that global. If it's going to mutate
it in other ways, it doesn't need to.