def main():    str = input('输入查询字符串: ')    path_name = input('输入查询路径 (默认工作路径): ')    if path_name == '':        path_name = '.'    minus = len(path_name)    def list_file(str, path):        list_all = os.listdir(path)        for name_f in list_all:            path_c = os.path.join(path, name_f)            if os.path.isfile(path_c) and str in os.path.splitext(name_f)[0]:                print(path_c[minus:])  # 把路径前缀去掉            elif os.path.isdir(path_c):                list_file(str, path_c)                if str in name_f:                    print(path_c[minus:])    list_file(str, path_name)if __name__ == '__main__':    main()