A Python code base to simulate elevator. eg, the elevator at floor 1, 1 person inside select to stop on 3, steps should be [UP_1, UP_1, OPEN_DOOR, CLOSE_DOOR]
an elevator that can accept calls from and plans the steps accordingly moving outside without e.g. elevator at floor 1, 1 person outside call from floor 3 to go down to floor 1, steps should be [UP_1, UP_1, OPEN_DOOR, CLOSE_DOOR, Enter, Down_1,Down_1 ]
Usage: python elevator.py
Input parameters: number of floors(up to 30), number of customers(up to 30), number of elevators(1-2).
Expected result:
Exception:
- The user input value should be a positive integer.
Unit test:
