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40 lines
944 B
Python
40 lines
944 B
Python
"""
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References: wikipedia:square free number
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psf/black : True
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ruff : True
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"""
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from __future__ import annotations
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def is_square_free(factors: list[int]) -> bool:
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"""
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# doctest: +NORMALIZE_WHITESPACE
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This functions takes a list of prime factors as input.
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returns True if the factors are square free.
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>>> is_square_free([1, 1, 2, 3, 4])
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False
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These are wrong but should return some value
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it simply checks for repetition in the numbers.
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>>> is_square_free([1, 3, 4, 'sd', 0.0])
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True
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>>> is_square_free([1, 0.5, 2, 0.0])
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True
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>>> is_square_free([1, 2, 2, 5])
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False
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>>> is_square_free('asd')
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True
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>>> is_square_free(24)
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Traceback (most recent call last):
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...
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TypeError: 'int' object is not iterable
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"""
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return len(set(factors)) == len(factors)
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if __name__ == "__main__":
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import doctest
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doctest.testmod()
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