Python 文件操作---文件复制

#coding=utf-8

#1.获取用户要复制的文件名

old_file_name = input("请输入要复制的文件名：")

#2.打开要复制的文件

old_file = open(old_file_name,"r")

 

#new_file_name = "[复件]"+old_file_name

 

position  = old_file_name.rfind(".")

old_file_name[:position] + "[复件]" + old_file_name[position:]

#3.新建一个文件

#new_file = open("laowang.txt","w")

#new_file = open(new_file_name,"w")

 

new_file_name = open(new_file_name,"w")

 

#4.从旧文件中读取数据，并且写入到新文件中

content = old_file.read()

new_file.write(content)

 

#5.关闭2个文件

old_file.close()

new_file.close()