python基础入门---文件的修改

 

 

f = open("song","r",encoding="utf-8")
f_new = open("song3","w",encoding="utf-8")


for line in f:
    if "光与青春" in line:
        line = line.replace("光与青春","qiujiehui")
    f_new.write(line)
f.close()
f_new.close()