# Generate 13 random code as the new file name 
 Import String 
 Import Random 

 def newName_creator (Digit): 
     newName = '' 
     for word in range (DIGIT): 
         newName + = RANDOM.CHOICE (String.ascii_UPPERCASE + String.digits) 
     Return newName 
 def all_newname (): 
     data = '' 
     Count = 0 
     for count in range (358): 
         digit = 13 
         data+= newName_creator (DIGIT)+'. JPG'+'\ N' 
     Return data 

 f = Open ('Newname.txt', 'W') 
 f.write (all_newname ()) 
 f.close () 
 #量

newnames=open('newname.txt','r+')
newnames=list(newnames)
file_names=os.listdir('E:/wallpaper')
index=0
for index in range(358):
    os.rename('E:/wallpaper/'+file_names[index],'E:/wallpaper/'+newnames[index].strip('\n'))