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Python | Constructor bool
schedule Aug 12, 2023
Last updated local_offer
Tags Python
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Python's bool(~) constructor converts the input to a Boolean value using the standard truth testing procedure.
NOTE
The following are considered false in Python
NoneFalseEmpty sequences and collections:
[],(),{},set(),"",range(0)Zero of any numeric type:
0,0.0,0j
Parameters
1. any | any | optional
The value to be converted to a Boolean.
Return value
If the input value is false or is empty False is returned. If the input value is true True is returned.
Examples
Basic usage
To return a Boolean value:
bool()
False
As we do not provide any input, we return False.
To return a Boolean value:
bool(1)
True
As 1 evaluates to true, True is returned.
To return a Boolean value:
bool(0)
False
As 0 evaluates to false, False is returned.
Published by Arthur Yanagisawa
Edited by 0 others
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Official Python Documentation
https://docs.python.org/3/library/functions.html#bool
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