AhmedNabil-hub

from Queue import Queue 
import random

class Doctor :
    def __init__(self): #doctor class constructor
        self.D_rate = random.randrange(20,61)//5
        self.currentpatient = None
        self.timeRemaining = 0

    def tick(self) :  # a method to calculate the time remaining for the patient at the doctor's

AhmedNabil-hub

class Stack:

    def __init__(self):
        # creates an empty list as a private instance variable
        self.__items = []

    def push(self, item):
        # list#append adds an element to the end of the list
        self.__items.append(item)