# Python bool() Function

Jan 27, 2023

The bool() method in Python is used to convert a value to a Boolean (True or False) value. In Python, truthy values are values that evaluate to True in a Boolean context, and falsy values are values that evaluate to False.

#### Example

``x = 5print(bool(x))# Output: True``

Here, the integer value 5 is a truthy value, so bool(5) returns True.

#### Example

``x = 0print(bool(x))# Output: False``

Here, the integer value 0 is a falsy value, so bool(0) returns False.

#### Example

``x = Noneprint(bool(x))# Output:  False``

Here, the value None is a falsy value, so bool(None) returns False. It is equivalent to using the comparison operator == True

#### Example

``x = 5print(x == True)# Output: True``

It returns True as the value of x is truthy. In general, the following values are considered falsy:

• None
• False
• 0 (int or float)
• Empty sequences (e.g. "", [] or ())
• Empty containers (e.g. {}, set())
• instances of user-defined classes that define a bool() or len() method that returns False or 0 respectively.

All other values are considered truthy.

Younes Derfoufi
my-courses.net

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2. […] Python bool(): This Python built-in function is used to convert a value to boolean. […]