python腳本-多個文件夾中文件合並到一個文件夾中

# coding=utf-8
import os
import shutil

#目標文件夾，此處為相對路徑，也可以改為絕對路徑
determination = 'train/'
if not os.path.exists(determination):
    os.makedirs(determination)

#源文件夾路徑
path = r'E:\數據集\CUB_200_2011\CUB_200_2011\images'
folders= os.listdir(path)
for folder in folders:
    dir = path + '\\' +  str(folder)
    files = os.listdir(dir)
    for file in files:
        source = dir + '\\' + str(file)
        deter = determination + str(file)
        shutil.copyfile(source, deter)