easy question on parsing python: "is not None"

  • Thread starter wheres pythonmonks
  • Start date
W

wheres pythonmonks

How does "x is not None" make any sense? "not x is None" does make sense.

I can only surmise that in this context (preceding is) "not" is not a
unary right-associative operator, therefore:

x is not None === IS_NOTEQ(X, None)

Beside "not in" which seems to work similarly, is there other
syntactical sugar like this that I should be aware of?

W
 

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