python-分割字符串-獲取當前文件夾名稱

情況一：已知路徑 

import os
str = "C:\\Users\\Desktop\\coding_tools\\run_exe"
path_list = str.split("\\")
cur_filename = path_list[-1]

情況二：路徑會變

import os
str = os.getcwd()
path_list = str.split("\\")
cur_filename = path_list[-1]