Python - 코드 실행 시간 측정

import time
from datetime import timedelta

start = time.process_time()

sum = 0
for i in range(10000000):
    sum += i

end = time.process_time()

print("Time elapsed: ", end - start)  # seconds
print("Time elapsed: ", timedelta(seconds=end-start))

Time elapsed:  1.358270689
Time elapsed:  0:00:01.358271

from timeit import default_timer as timer
from datetime import timedelta

start = timer()

sum = 0
for i in range(10000000):
    sum += i

end = timer()

print("Time elapsed: ", end - start)  # seconds
print("Time elapsed: ", timedelta(seconds=end-start))

Time elapsed:  1.245935200000531
Time elapsed:  0:00:01.245935