两种计算比较

import time

lt = time.time()

time.sleep(5)

f = map(lambda x, y: x + y, [1, 2, 3, 4, 5, 6], [1, 2, 3, 4, 5, 6])

for i in f:

print(i)

nt = time.time()

print(lt-nt)

lt = time.time()

time.sleep(5)

for i in range(6):

f = i + i

print(f)

nt = time.time()

print(lt - nt)

 

 

2

 

4

 

6

 

8

 

10

 

12

 

-5.000285863876343

 

0

 

2

 

4

 

6

 

8

 

10

 

-5.000285863876343