''' 【程序91】 题目:时间函数举例1 1.程序分析: 2.程序源代码: ''' if __name__ == '__main__': import time print time.ctime(time.time()) print time.asctime(time.localtime(time.time())) print time.asctime(time.gmtime(time.time()))
''' 【程序92】 题目:时间函数举例2 1.程序分析: 2.程序源代码: ''' if __name__ == '__main__': import time start = time.time() for i in range(3000): print i end = time.time() print end - start
''' 【程序93】 题目:时间函数举例3 1.程序分析: 2.程序源代码: ''' if __name__ == '__main__': import time start = time.clock() for i in range(10000): print i end = time.clock() print 'different is %6.3f' % (end - start)
''' 【程序94】 题目:时间函数举例4,一个猜数游戏,判断一个人反应快慢。(版主初学时编的) 1.程序分析: 2.程序源代码: ''' if __name__ == '__main__': import time import random play_it = raw_input('do you want to play it.(\'y\' or \'n\')') while play_it == 'y': c = raw_input('input a character:\n') i = random.randint(0,2**32) % 100 print 'please input number you guess:\n' start = time.clock() a = time.time() guess = int(raw_input('input your guess:\n')) while guess != i: if guess > i: print 'please input a little smaller' guess = int(raw_input('input your guess:\n')) else: print 'please input a little bigger' guess = int(raw_input('input your guess:\n')) end = time.clock() b = time.time() var = (end - start) / 18.2 print var # print 'It took you %6.3 seconds' % time.difftime(b,a)) if var < 15: print 'you are very clever!' elif var < 25: print 'you are normal!' else: print 'you are stupid!' print 'Congradulations' print 'The number you guess is %d' % i play_it = raw_input('do you want to play it.')
''' 【程序96】 题目:计算字符串中子串出现的次数 1.程序分析: 2.程序源代码: ''' if __name__ == '__main__': str1 = raw_input('input a string:\n') str2 = raw_input('input a sub string:\n') ncount = str1.count(str2) print ncount
''' 【程序97】 题目:从键盘输入一些字符,逐个把它们送到磁盘上去,直到输入一个#为止。 1.程序分析: 2.程序源代码: ''' if __name__ == '__main__': from sys import stdout filename = raw_input('input a file name:\n') fp = open(filename,"w") ch = raw_input('input string:\n') while ch != '#': fp.write(ch) stdout.write(ch) ch = raw_input('') fp.close()
''' 【程序98】 题目:从键盘输入一个字符串,将小写字母全部转换成大写字母,然后输出到一个磁盘文件“test”中保存。 输入的字符串以!结束。 1.程序分析: 2.程序源代码: ''' if __name__ == '__main__': fp = open('test.txt','w') string = raw_input('please input a string:\n') string = string.upper() fp.write(string) fp = open('test.txt','r') print fp.read() fp.close()
''' 程序99】 题目:有两个磁盘文件A和B,各存放一行字母,要求把这两个文件中的信息合并(按字母顺序排列), 输出到一个新文件C中. 1.程序分析: 2.程序源代码: ''' if __name__ == '__main__': import string fp = open('JCP099.py') a = fp.read() fp.close() fp = open('JCP098.py') b = fp.read() fp.close() fp = open('C.txt','w') l = list(a + b) l.sort() s = '' s = s.join(l) fp.write(s) fp.close()
Python重写C语言程序100例--Part11,布布扣,bubuko.com
原文地址:http://blog.csdn.net/berguiliu/article/details/26808717