全国计算机等级考试二级教程-Python语言 学习笔记

import time def coreLoop(): limit = 10 ** 8 while (limit > 0): limit -= 1 def otherLoop1(): time.sleep(0.2) def otherLoop2(): time.sleep(0.4) def main(): startTime = time.localtime() print('程序开始时间：', time.strftime('%Y-%m-%d %H:%M:%S', startTime)) startPerfCounter = time.perf_counter() otherLoop1() otherLoop1PerfCounter = time.perf_counter() otherLoop1Perf = otherLoop1PerfCounter - startPerfCounter coreLoop() coreLoopPerfCounter = time.perf_counter() coreLoopPerf = coreLoopPerfCounter - otherLoop1PerfCounter otherLoop2() otherLoop2PerfCounter = time.perf_counter() otherLoop2Perf = otherLoop2PerfCounter - coreLoopPerfCounter endPerfCounter = time.perf_counter() totalPerf = endPerfCounter - startPerfCounter endTime = time.localtime() print('模块1运行时间是：{}秒'.format(otherLoop1Perf)) print('核心模块运行时间是：{}秒'.format(coreLoopPerf)) print('模块2运行时间是：{}秒'.format(otherLoop2Perf)) print('程序运行总时间是：{}秒'.format(totalPerf)) print('程序结束时间：', time.strftime('%Y-%m-%d %H:%M:%S', endTime)) main()