errora:6:{s:1:"v";s:1:"1";s:6:"fuhao1";s:1:"(";s:6:"fuh

import numpy as np
import time

w=np.random.rand(1000000)
x=np.random.rand(1000000)
b=1

time_begin=time.time()
z=0
for i in range(1000000):
    z+=w[i]*x[i]
z+=b
time_end=time.time()
print(z)
print("非向量化："+str(1000*(time_end-time_begin))+"ms")

time_begin=time.time()
z=np.dot(w,x)+b
time_end=time.time()
print(z)
print("向量化："+str(1000*(time_end-time_begin))+"ms")