几行py代码

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放几行几天调试的py代码

 

fd = open("log.txt", 'r')for line in fd: sp_line = line.strip().split('.') new_line = ':'.join(sp_line[:4]) print(new_line)fd.seek(0)for line in fd: #print(line.strip()) re = line.rfind('.') if (re != -1): print(line[:re])