import time

num_need_validate = 123423

cnt = 10**7

a = 0 

time_start1 = time.time()

for i in range(cnt):
    if (num_need_validate % 2) != 0:
        a = a + 1

# 平均在这个数字 2.133270025253296
print(time.time() - time_start1)

import math
import time


num_need_validate = 123423

cnt = 10**7

a = 0

time_start2 = time.time()

for i in range(cnt):
    if (num_need_validate & 0) :
        a = a + 1
        
# 平均在这个数字 0.8398542404174805
print(time.time() - time_start2)