day10-Property Decorators - Getters, Setters, And Deletes eng.ipynb

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    "class pwskills:\n",
    "    \n",
    "    def __init__(self, course_price , course_name):\n",
    "        self.__course_price = course_price\n",
    "        self.course_name = course_name\n",
    "        \n",
    "    @property\n",
    "    def course_price_access(self):\n",
    "        return self.__course_price\n",
    "    \n",
    "    @course_price_access.setter\n",
    "    def course_price_set(self , price):\n",
    "        if price <= 3500:\n",
    "            pass\n",
    "        else :\n",
    "            self.__course_price = price\n",
    "            \n",
    "    @course_price_access.deleter \n",
    "    def course_price_del(self):\n",
    "        del  self.__course_price\n",
    "    \n",
    "        \n",
    "    \n",
    "    "
   ]
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   "cell_type": "code",
   "execution_count": 17,
   "id": "aa678422-4681-4c70-92f9-4fb3ea373a93",
   "metadata": {},
   "outputs": [],
   "source": [
    "pw = pwskills(3500 , \"data science masters\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 21,
   "id": "94e4a6b1-e3c1-4b20-85a0-82a01bcef269",
   "metadata": {},
   "outputs": [
    {
     "ename": "AttributeError",
     "evalue": "'pwskills' object has no attribute '_pwskills__course_price'",
     "output_type": "error",
     "traceback": [
      "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
      "\u001b[0;31mAttributeError\u001b[0m                            Traceback (most recent call last)",
      "Cell \u001b[0;32mIn[21], line 1\u001b[0m\n\u001b[0;32m----> 1\u001b[0m \u001b[43mpw\u001b[49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43mcourse_price_access\u001b[49m\n",
      "Cell \u001b[0;32mIn[16], line 9\u001b[0m, in \u001b[0;36mpwskills.course_price_access\u001b[0;34m(self)\u001b[0m\n\u001b[1;32m      7\u001b[0m \u001b[38;5;129m@property\u001b[39m\n\u001b[1;32m      8\u001b[0m \u001b[38;5;28;01mdef\u001b[39;00m \u001b[38;5;21mcourse_price_access\u001b[39m(\u001b[38;5;28mself\u001b[39m):\n\u001b[0;32m----> 9\u001b[0m     \u001b[38;5;28;01mreturn\u001b[39;00m \u001b[38;5;28;43mself\u001b[39;49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43m__course_price\u001b[49m\n",
      "\u001b[0;31mAttributeError\u001b[0m: 'pwskills' object has no attribute '_pwskills__course_price'"
     ]
    }
   ],
   "source": [
    "pw.course_price_access"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 20,
   "id": "26507163-cf11-48c4-b16b-aa8b0a5a0ad2",
   "metadata": {},
   "outputs": [],
   "source": [
    "del pw.course_price_del"
   ]
  },
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   "cell_type": "code",
   "execution_count": 12,
   "id": "3e896352-c653-4f44-90c6-ea771bb8b85a",
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   "source": [
    "pw.course_price_set = 2300"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 13,
   "id": "ac79195d-530e-4e0c-8191-8c9f3c4a0040",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "3500"
      ]
     },
     "execution_count": 13,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "pw.course_price_access"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 14,
   "id": "18f5fa35-c1dd-4e0a-9749-90afbec5ed36",
   "metadata": {},
   "outputs": [],
   "source": [
    "pw.course_price_set = 4500"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 15,
   "id": "3b2cb159-3e13-49bb-8d1e-6e34a12a177a",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "4500"
      ]
     },
     "execution_count": 15,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "pw.course_price_access"
   ]
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   "cell_type": "code",
   "execution_count": 3,
   "id": "542c4157-8b09-42fb-840a-a2fd9caa4566",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'data science masters'"
      ]
     },
     "execution_count": 3,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "pw.course_name"
   ]
  },
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   "cell_type": "code",
   "execution_count": 5,
   "id": "1fd0ecb1-eefc-47e9-a773-7c11c06a2f18",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "3500"
      ]
     },
     "execution_count": 5,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "pw._pwskills__course_price"
   ]
  },
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   "cell_type": "code",
   "execution_count": null,
   "id": "9e9d9ce1-216e-4acf-bd68-4777ea614759",
   "metadata": {},
   "outputs": [],
   "source": []
  }
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