编程计算向量u和v的欧几里得距离def similarityu vreturm sim

def similarity(u, v): if len(u) != len(v): return None else: sum = 0 for i in range(len(u)): sum += (u[i]-v[i])2 sim = sum0.5 return sim

#测试 u = [1,2,3] v = [4,5,6] print(similarity(u,v)) #输出：5.196152422706632