class Solution:
‘’’
参数A和B:输入列表
返回值:整数是点积
‘’’
def dotproduct(self,A,B):
if len(A)==0 or len(B)==0 or len(A) !=len(B):
return "没有点积"
a=0
for i in range(len(A)):
a+=A[i]*B[i]
return a
#主函数
if name == ‘main’:
A=[1,2,3]
B=[5,5,5]
solution= Solution()
print("A与B分别为:",A,B)
print("点积为:", solution.dotproduct(A,B))
