Python小白入门题一——文件增删改

题目描述：用python对文件进行增（创建一个文件）、删（删除一个文件）、改（重命名）操作。

说明：新建了一个文件夹files存放新增的两个文件，随后这两个文件被批量重命名成“数字.txt”，之后这两个文件被删除，存放这两个文件的文件夹也被删除。即开始时是什么样，运行这串代码后还是什么样。

 # -*- coding: UTF-8 -*-
 import os
 path = r"C:\Users\11476\Documents\Python Scripts"
 dir_name = r"files"
 os.mkdir(dir_name)
 new_path = r"C:\Users\11476\Documents\Python Scripts\files"
 #add
 file1_name = "ground.txt"
 file2_name = "predict.txt"
 file = open(os.path.join(new_path,file1_name),'w',encoding = 'utf-8')
 file = open(os.path.join(new_path,file2_name),'w',encoding = 'utf-8')
 count = 1
 #rename
 for file in os.listdir(new_path):
     if os.path.isfile(os.path.join(new_path,file)) == True:
         new_name = file.replace(file,"%d.txt"%count)
         os.rename(os.path.join(new_path,file),os.path.join(new_path,new_name))
         count += 1
 print("Done!")
 #delete
 count = 1
 for file in os.listdir(path):
     new_name = file.replace(file,"%d.txt"%count)
     os.remove(os.path.join(new_path,new_name))
     count += 1
 os.rmdir(new_path)
 print("Finish!")