u_input = input("请输入:") l1 = u_input.split("\\") print("文件名={}".format(l1[-1])) print("驱动器名={}".format(l1[0])) print("当前目录名称={}".format(l1[-2])) print("路径={}".format('\\'.join(l1[0:-1]))) print("上级目录={}".format(l1[-3]))