python-分割字符串-获取当前文件夹名称

情况一：已知路径 

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

情况二：路径会变

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