def geometric_mean(xs):
"""幾何平均"""
return product(xs) ** (1 / len(xs))
def test_product():
assert product([1, 2, 3]) == 6
def geometric_mean(xs):
"""幾何平均"""
return product(xs) ** (1 / len(xs))
def test_product():
assert product([1, 2, 3]) == 6
