import time
loopN = 5
sum = 0
for n in range(loopN):
startTime = time.time()
for i in range(10000000):
a = 180 * 3
# a = 2 * 3 * 3 * 2 * 5 * 3
endTime = time.time()
print(endTime - startTime)
sum += endTime - startTime
sum /= loopN
print("ave:{}".format(sum))