#bool

Description: Type conversion to bool.

def bool(x):
    '''
    Type conversion to bool

    :param x: A variable
    :return: The value converted to bool
    '''

The following values are converted to False:

• None
• Numeric values equal to 0, including but not limited to int, float
• Containers with length 0, including but not limited to empty strings, empty tuples, and empty lists
• Objects whose __bool__ method returns False
• Objects whose __len__ method returns 0

Example:

print("0 is", bool(0))
print("10 is", bool(10))
print("'hello world' is", bool('hello world'))
print("'' is", bool(''))
print("None is", bool(None))
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