15_oop(Inheritance - Creating Subclasses).ipynb

{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [],
   "source": [
    "class Employee:\n",
    "    num_of_emps = 0\n",
    "    raise_amount = 1.04\n",
    "\n",
    "    def __init__(self, first, last, pay):\n",
    "        self.first = first\n",
    "        # self.fn = first\n",
    "        self.last = last\n",
    "        self.pay = pay\n",
    "        self.email = first + '.' + last + '@gmail.com'\n",
    "        Employee.num_of_emps += 1\n",
    "        \n",
    "    def fullname(self):\n",
    "        return '{} {}'.format(self.first, self.last)\n",
    "    \n",
    "    def apply_raise(self):\n",
    "        self.pay = int(self.pay * Employee.raise_amount)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [],
   "source": [
    "emp_1 = Employee('Aram', 'Rostamitabar', 2400)\n",
    "emp_2 = Employee('Hana', 'Batmani', 4500)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 27,
   "metadata": {},
   "outputs": [],
   "source": [
    "class Developer(Employee):\n",
    "    def __init__(self, first, last, pay, prog_lan):\n",
    "        super().__init__(first, last, pay)\n",
    "        # Employee.__init__(self, first, last, pay)\n",
    "        self.prog_lan = prog_lan"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 41,
   "metadata": {},
   "outputs": [],
   "source": [
    "dev_1 = Developer('Fatemeh', 'Hosseini', 7000, 'Java')\n",
    "dev_2 = Developer('Yasmin', 'Hosseini', 6700, 'Python')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 29,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Fatemeh.Hosseini@gmail.com\n",
      "Yasmin.Hosseini@gmail.com\n"
     ]
    }
   ],
   "source": [
    "print(dev_1.email)\n",
    "print(dev_2.email)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 30,
   "metadata": {},
   "outputs": [],
   "source": [
    "# print(help(Developer))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 31,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "7000\n",
      "7280\n"
     ]
    }
   ],
   "source": [
    "print(dev_1.pay)\n",
    "dev_1.apply_raise()\n",
    "print(dev_1.pay)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 32,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Java\n",
      "Python\n"
     ]
    }
   ],
   "source": [
    "print(dev_1.prog_lan)\n",
    "print(dev_2.prog_lan)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 38,
   "metadata": {},
   "outputs": [],
   "source": [
    "class Manager(Employee):\n",
    "    def __init__(self, first, last, pay, employees=None):\n",
    "        super().__init__(first, last, pay)\n",
    "        if employees is None:\n",
    "            self.employees = []\n",
    "        else: \n",
    "            self.employees = employees\n",
    "            \n",
    "    def add_emp(self, emp):\n",
    "        if emp not in self.employees:\n",
    "            self.employees.append(emp)\n",
    "            \n",
    "    def remove_emp(self, emp):\n",
    "        if emp  in self.employees:\n",
    "            self.employees.remove(emp)\n",
    "            \n",
    "    def print_emps(self):\n",
    "        for emp in self.employees:\n",
    "            print('-->', emp.fullname())"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 46,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Sue.Schafer@gmail.com\n",
      "--> Fatemeh Hosseini\n",
      "--> Yasmin Hosseini\n"
     ]
    }
   ],
   "source": [
    "man_1 = Manager('Sue', 'Schafer', 7000, [dev_1])\n",
    "print(man_1.email)\n",
    "man_1.add_emp(dev_2)\n",
    "man_1.print_emps()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 47,
   "metadata": {},
   "outputs": [],
   "source": [
    "man_1.remove_emp(dev_1)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 48,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "--> Yasmin Hosseini\n"
     ]
    }
   ],
   "source": [
    "man_1.print_emps()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 50,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "True\n",
      "True\n",
      "False\n"
     ]
    }
   ],
   "source": [
    "print(isinstance(man_1, Manager))\n",
    "print(isinstance(man_1, Employee))\n",
    "print(isinstance(man_1, Developer))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 54,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "True\n",
      "True\n",
      "False\n"
     ]
    }
   ],
   "source": [
    "print(issubclass(Developer, Employee))\n",
    "print(issubclass(Manager, Employee))\n",
    "print(issubclass(Manager, Developer))"
   ]
  }
 ],
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