To build a HR system using Object Oriented Programming without using Pandas, Numpy

To build a HR system using Object Oriented Programming without using Pandas, Numpy.
 

The task is to build a HR system using Object Oriented Programming.

• You need to be able to search for a staff member using their birthday.
• You need to be able to search for a staff member using their zip codes.
• You will need to be able to sort staff members using their hiring date.
• You need to be able to add/remove a staff member from the system directory
• You need to be able to assign reporting hierarchy
  • Note: managers are assigned subordinates
• There will be one administrator of the HR system

Hints:

• You can implement organizational hierarchy using inheritance.
• You will probably need to have following classes:
  • System Directory: Class that holds objects of the organization members
  • Manager: Class representing a manager
  • Member: Class representing a staff member. 
• Draw out relationships between different classes and what attributes + methods each class needs to have to support the project criteria.

• You cannot use Pandas, NumPy, or any other non-standard Python libraries. 
• You don’t need to use a database. 
• You don’t need to implement an UI.
• You don’t need to create a web application. 
• You need to include and run test cases