ممنون از دوستان
همه طور امتحان کردم نشده 
Traceback (most recent call last):
  File "E:/Programming Practice/PycharmProjects/Python/Python.py", line 3, in <module>
    os.mkdir(addres)
FileNotFoundError: [WinError 3] The system cannot find the path specified: 'D:\\new\\file'