Python renaming script (specific use case)

rename.py

# Python 3 code to rename multiple  
# files in a directory or folder 
  
# importing os module 
import os
from shutil import copyfile
  
# Function to rename multiple files 
def main():
  
    for count, filename in enumerate(os.listdir(".")): 
        
        if (filename.find(".jpg") > 0 or filename.find(".jpeg") > 0 or filename.find(".jpeg") > 0):
            print(filename)
            id = filename.split("-")[1]
            ext = filename.split(".")[1]

            src ='./'+ filename 
            dst ='./processed/'+ id + '.' + ext

          
            # rename() function will 
            # rename all the files 
            copyfile(src, dst) 
            
  
# Driver Code 
if __name__ == '__main__': 
      
    # Calling main() function 
    main()