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highest_set_bit.py
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defget_highest_set_bit_position(number: int) ->int:
"""
Returns position of the highest set bit of a number.
Ref - https://graphics.stanford.edu/~seander/bithacks.html#IntegerLogObvious
>>> get_highest_set_bit_position(25)
5
>>> get_highest_set_bit_position(37)
6
>>> get_highest_set_bit_position(1)
1
>>> get_highest_set_bit_position(4)
3
>>> get_highest_set_bit_position(0)
0
>>> get_highest_set_bit_position(0.8)
Traceback (most recent call last):
...
TypeError: Input value must be an 'int' type
"""
ifnotisinstance(number, int):
raiseTypeError("Input value must be an 'int' type")
position=0
whilenumber:
position+=1
number>>=1
returnposition
if__name__=="__main__":
importdoctest
doctest.testmod()