Encapsulation.ipynb

{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 1,
   "id": "1527de64",
   "metadata": {},
   "outputs": [],
   "source": [
    "class A:\n",
    "    _a=10   #private\n",
    "    __b=20  #Protected\n",
    "    def show(self):\n",
    "        print(\"a= \", self._a)\n",
    "        print(\"b= \", self.__b)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "id": "0152a7de",
   "metadata": {},
   "outputs": [],
   "source": [
    "obj=A()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "id": "3d64114a",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "a=  10\n",
      "b=  20\n"
     ]
    }
   ],
   "source": [
    "obj.show()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "id": "67aa7f84",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Protected Object calling outside of class 10\n"
     ]
    }
   ],
   "source": [
    "print(f\"Protected Object calling outside of class {obj._a}\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "id": "605135d5",
   "metadata": {},
   "outputs": [
    {
     "ename": "AttributeError",
     "evalue": "'A' object has no attribute '__b'",
     "output_type": "error",
     "traceback": [
      "\u001b[1;31m---------------------------------------------------------------------------\u001b[0m",
      "\u001b[1;31mAttributeError\u001b[0m                            Traceback (most recent call last)",
      "Input \u001b[1;32mIn [11]\u001b[0m, in \u001b[0;36m<cell line: 1>\u001b[1;34m()\u001b[0m\n\u001b[1;32m----> 1\u001b[0m \u001b[38;5;28mprint\u001b[39m(\u001b[38;5;124mf\u001b[39m\u001b[38;5;124m\"\u001b[39m\u001b[38;5;124m private Object calling outside of class \u001b[39m\u001b[38;5;132;01m{\u001b[39;00mobj\u001b[38;5;241m.\u001b[39m__b\u001b[38;5;132;01m}\u001b[39;00m\u001b[38;5;124m\"\u001b[39m)\n",
      "\u001b[1;31mAttributeError\u001b[0m: 'A' object has no attribute '__b'"
     ]
    }
   ],
   "source": [
    "print(f\" private Object calling outside of class {obj.__b}\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "902819a6",
   "metadata": {},
   "outputs": [],
   "source": []
  }
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