4 Patterns 1/Number Pattern 3.ipynb

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      "5\n",
      "1\n",
      "11\n",
      "121\n",
      "1221\n",
      "12221\n"
     ]
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   "source": [
    "n=int(input())\n",
    "print(1)\n",
    "i=1\n",
    "while(i<n):\n",
    "    j=0\n",
    "    while(j<i+1):\n",
    "        if(j==0 or j==i):\n",
    "            print(1,end=\"\")\n",
    "        else:\n",
    "            print(2,end=\"\")\n",
    "        j=j+1\n",
    "    i=i+1\n",
    "    print()"
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