Python product示例

示例#1

def geometric_mean(values):
    """Compute the geometric mean of a sequence of numbers.

    >>> round(geometric_mean([2, 8]), 2)
    4.0
    """
    assert None not in values
    exp = 1.0 / len(values)
    return tools.product([val**exp for val in values])

示例#2

def geometric_mean_old(values):
    return tools.product(values)**(1.0 / len(values))