# Author:Sooele import sys f = open("yesterday2.py","r",encoding="utf-8") #打开文件。权限读 f_new = open("yesterday3","w",encoding="utf-8")#打开文件。权限写 find_str = sys.argv[1] #找到 replace_str = sys.argv[2] #替换 for line in f: #如果line在f里。就执行下面 if find_str in line:# line = line.replace(find_str,replace_str)#替换 f_new.write(line) f.close() #关闭f f_new.close() #关闭发f_new
