Changes

All your Python codes for this program must be placed in a <font color='red'>single source file</font>. Please include the following declaration by <b><u><you</u></b> as comment in your Python source code file (replace "Student Name" with your own name):

When your Python program is running, it should present the user with the following menusmenu:

Option Display an appropriate sub-menu when option <b>d</b>, <b>w</b>, and or <b>m</b> when is selected will display a new sub-menu.