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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _round(num):
 """A custom rounding function that's a bit more 'strict'. """

    deci = num - math.floor(num)
    if deci > 0.8:
        return int(math.floor(num) + 1)
    else:
        return int(math.floor(num))