Python：计算两个向量的欧式距离

import numpy as np

a = np.array([1,2,3,6])
b = np.array([3,2,1,5])

def dist(a, b):
    return np.sqrt(sum((a - b) ** 2))

print(dist(a,b))

print(np.linalg.norm(a-b,ord=2))