python iterator.ipynb

{
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  {
   "cell_type": "code",
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   "id": "c3e317be",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "apple\n",
      "banana\n",
      "mango\n"
     ]
    }
   ],
   "source": [
    "t = (\"apple\", \"banana\", \"mango\")\n",
    "myit = iter(t)\n",
    "\n",
    "print(next(myit))\n",
    "print(next(myit))\n",
    "print(next(myit))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "id": "32abaa4c",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "b\n",
      "a\n",
      "n\n",
      "a\n",
      "n\n",
      "a\n"
     ]
    }
   ],
   "source": [
    "mystr = \"banana\"\n",
    "myit = iter(mystr)\n",
    "\n",
    "print(next(myit))\n",
    "print(next(myit))\n",
    "print(next(myit))\n",
    "print(next(myit))\n",
    "print(next(myit))\n",
    "print(next(myit))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "id": "c95c2b70",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "apple\n",
      "banana\n",
      "mango\n"
     ]
    }
   ],
   "source": [
    "t = (\"apple\", \"banana\", \"mango\")\n",
    "\n",
    "for x in t:\n",
    "    print(x)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "id": "2a4bff55",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "b\n",
      "a\n",
      "n\n",
      "a\n",
      "n\n",
      "a\n"
     ]
    }
   ],
   "source": [
    "mystr = \"banana\"\n",
    "\n",
    "for x in mystr:\n",
    "    print(x)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "id": "a90e0c05",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "1\n",
      "2\n",
      "3\n",
      "4\n",
      "5\n",
      "6\n",
      "7\n",
      "8\n",
      "9\n",
      "10\n"
     ]
    }
   ],
   "source": [
    "class mynumber:\n",
    "    def __iter__(self):\n",
    "        self.a = 1\n",
    "        return self\n",
    "    \n",
    "    def __next__(self):\n",
    "        x = self.a\n",
    "        self.a += 1\n",
    "        return x\n",
    "myclass = mynumber()\n",
    "myiter = iter(myclass)\n",
    "\n",
    "print(next(myiter))\n",
    "print(next(myiter))\n",
    "print(next(myiter))\n",
    "print(next(myiter))\n",
    "print(next(myiter))\n",
    "print(next(myiter))\n",
    "print(next(myiter))\n",
    "print(next(myiter))\n",
    "print(next(myiter))\n",
    "print(next(myiter))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 13,
   "id": "4cde5e5b",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "1\n",
      "2\n",
      "3\n",
      "4\n",
      "5\n",
      "6\n",
      "7\n",
      "8\n",
      "9\n",
      "10\n",
      "11\n",
      "12\n",
      "13\n",
      "14\n",
      "15\n",
      "16\n",
      "17\n",
      "18\n",
      "19\n",
      "20\n"
     ]
    }
   ],
   "source": [
    "class mynumber:\n",
    "    def __iter__(self):\n",
    "        self.a = 1\n",
    "        return self\n",
    "    \n",
    "    def __next__(self):\n",
    "        if self.a <= 20:\n",
    "            x = self.a\n",
    "            self.a += 1\n",
    "            return x\n",
    "        else:\n",
    "            raise StopIteration\n",
    "myclass = mynumber()\n",
    "myiter = iter(myclass)\n",
    "\n",
    "for x in myiter:\n",
    "  print(x)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 14,
   "id": "88ca3d9d",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "300\n"
     ]
    }
   ],
   "source": [
    "def myfunc():\n",
    "  x = 300\n",
    "  print(x)\n",
    "\n",
    "myfunc()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 15,
   "id": "26e4e10c",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "300\n"
     ]
    }
   ],
   "source": [
    "def myfunc():\n",
    "  x = 300\n",
    "  def myinnerfunc():\n",
    "    print(x)\n",
    "  myinnerfunc()\n",
    "\n",
    "myfunc()\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "ad9b9818",
   "metadata": {},
   "outputs": [],
   "source": []
  }
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