{
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   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "\n",
      "1\n",
      "22\n",
      "333\n",
      "4444\n",
      "55555\n",
      "666666\n",
      "7777777\n",
      "88888888\n",
      "999999999\n"
     ]
    }
   ],
   "source": [
    "# ---------------------------------------------------------------\n",
    "# python best courses https://courses.tanpham.org/\n",
    "# ---------------------------------------------------------------\n",
    "# Write a Python program to construct the following pattern, using a nested loop number.\n",
    "# 1                                                                                                             \n",
    "# 22                                                                                                            \n",
    "# 333                                                                                                           \n",
    "# 4444                                                                                                          \n",
    "# 55555                                                                                                         \n",
    "# 666666                                                                                                        \n",
    "# 7777777                                                                                                       \n",
    "# 88888888                                                                                                      \n",
    "# 999999999\n",
    "for i in range(10):\n",
    "    print(str(i) * i)\n",
    "\t"
   ]
  }
 ],
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