f = open('yesterday','r',encoding='utf-8')f2 = open('yesterday.bak','w',encoding='utf-8')old_str = input('請輸入要修改的字符：')replace_str = input('請輸入替換成的字符:')for line in f.readlines(): line = line.replace(old_str,replace_str) print(line) f2.write(line)f.close()f2.close()

Somehow, it seems the love I knew was always the most destructive kind不知為何，我經歷的愛情總是最具毀滅性的的那種Yesterday when I was young昨日當我年少輕狂The taste of life was sweet生命的滋味是甜的As rain upon my tongue就如舌尖上的雨露