python记时命令

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import time

start_time = time.time()

......

print('Total processing time: {} seconds'.format(round(time.time() - start_time, 2)))

输出：Total processing data time: 132.31 seconds

或

start_time = time.time()

......

end_time = time.time()
print('Total processing time:',end_time - start_time)