实例介绍python文件操作删除某行方法

#文本内容

Yesterday when I was young

昨日当我年少轻狂

The tasting of life was sweet

生命的滋味是甜的

As rain upon my tongue

tasting

I lived by night and shunned the naked light of day

tasting123

And only now I see how the time ran away

tasting

tasting

with open("fileread.txt","r",encoding="utf-8") as f:

 lines = f.readlines()

 #print(lines)

with open("fileread.txt","w",encoding="utf-8") as f_w:

 for line in lines:

  if "tasting123" in line:

   continue

  f_w.write(line)