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perfect_cube.py

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def perfect_cube(n: int) -> bool:

"""

Check if a number is a perfect cube or not.

>>> perfect_cube(27)

True

>>> perfect_cube(4)

False

"""

val = n ** (1 / 3)

return (val * val * val) == n

if __name__ == "__main__":

print(perfect_cube(27))

print(perfect_cube(4))