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"Robert DeLaurentis" wrote
The local function change_volume(v) requires the argument v to operate
properly,
but I'm unclear where the value of that a
I've just begun learning Python and programming using the Head First
Programming from O'Reilly. The following code works on my Mac just fine, but
there is a mystery as to how its working that escapes me so far.
The local function change_volume(v) requires the argument v to operate
properly, but
