Can global variable be passed into Python function?

Fri Feb 28 09:20:35 EST 2014

On 2014年02月28日, Marko Rauhamaa <marko at pacujo.net> wrote:
> Here's a use case for "is" with strings (or ints):
>> class Connection:
> IDLE = "IDLE"
> CONNECTING = "CONNECTING"
> CONNECTED = "CONNECTED"
> DISCONNECTING = "DISCONNECTING"
> DISCONNECTED = "DISCONNECTED"
>> def __init__(self):
> self.state = IDLE
>> def connect(self, address):
> ...
> self.state = CONNECTING
> ...
>> def disconnect(self):
> ...
> if self.state is CONNECTED:
> ...

I don't really see the point. Why won't '==' work just as well?
Are you hoping that 'is' is faster at runtime than '=='?
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