Python: What values represent True

Following values are considered False.

a.   None

b.   False

c.    Zero of any numeric type, like 0, 0.0, 0j

d.   Any empty sequences like [], (), ‘’

e.   Any empty mappings like {}

f.     If user defined class defines a __bool__() or __len__() method, when that method returns the integer zero or bool value False.

Remaining all values considered to be True values.

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