Bruce Leban wrote:
foo is in bar = hasattr(foo,bar) foo is not in bar = not hasattr(foo,bar) foo is class bar = isinstance(foo,bar) foo is from bar = issubclass(foo,bar) foo is with bar = type(foo) == type(bar)
+1. Also we must absolutely have
foo is totally bar
for those *$&@*&(*@& moments we all experience while coding.