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。

 1 # -*- coding: UTF-8 -*-
 2 import os
 3 path = r"C:\Users\11476\Documents\Python Scripts"
 4 dir_name = r"files"
 5 os.mkdir(dir_name)
 6 new_path = r"C:\Users\11476\Documents\Python Scripts\files"
 7 #add
 8 file1_name = "ground.txt"
 9 file2_name = "predict.txt"
10 file = open(os.path.join(new_path,file1_name),'w',encoding = 'utf-8')
11 file = open(os.path.join(new_path,file2_name),'w',encoding = 'utf-8')
12 count = 1
13 #rename
14 for file in os.listdir(new_path):
15     if os.path.isfile(os.path.join(new_path,file)) == True:
16         new_name = file.replace(file,"%d.txt"%count)
17         os.rename(os.path.join(new_path,file),os.path.join(new_path,new_name))
18         count += 1
19 print("Done!")        
20 #delete
21 count = 1
22 for file in os.listdir(path):
23     new_name = file.replace(file,"%d.txt"%count)
24     os.remove(os.path.join(new_path,new_name))
25     count += 1
26 os.rmdir(new_path)
27 print("Finish!")