iframe-proxy | Sunbelt Computer Software

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def binary_count_setbits(a: int) -> int:

"""

Take in 1 integer, return a number that is

the number of 1's in binary representation of that number.

>>> binary_count_setbits(25)

>>> binary_count_setbits(36)

>>> binary_count_setbits(16)

>>> binary_count_setbits(58)

>>> binary_count_setbits(4294967295)

>>> binary_count_setbits(0)

>>> binary_count_setbits(-10)

Traceback (most recent call last):

...

ValueError: Input value must be a positive integer

>>> binary_count_setbits(0.8)

Traceback (most recent call last):

...

TypeError: Input value must be a 'int' type

>>> binary_count_setbits("0")

Traceback (most recent call last):

...

TypeError: '<' not supported between instances of 'str' and 'int'

"""

if a < 0:

raise ValueError("Input value must be a positive integer")

elif isinstance(a, float):

raise TypeError("Input value must be a 'int' type")

return bin(a).count("1")

if __name__ == "__main__":

import doctest

doctest.testmod()

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