Equal Sides Of An Array.ipynb

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   "outputs": [],
   "source": [
    "from IPython.core.interactiveshell import InteractiveShell\n",
    "InteractiveShell.ast_node_interactivity = \"all\""
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Best Solution on CodeWars"
   ]
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  {
   "cell_type": "code",
   "execution_count": 14,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "def find_even_index(arr):\n",
    "    for i in range(len(arr)):\n",
    "        if sum(arr[:i]) == sum(arr[i+1:]):\n",
    "            return i\n",
    "    return -1"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# My Working Progress"
   ]
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  {
   "cell_type": "code",
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   "outputs": [
    {
     "data": {
      "text/plain": [
       "[]"
      ]
     },
     "execution_count": 2,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "#See the ways of slicing a list that can return an empty list\n",
    "Play = [1,2,3,4,3,2,1]\n",
    "Play[:0]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "def find_even_index(arr):\n",
    "    for i in range(len(arr) + 1):\n",
    "        if i == len(arr): return -1\n",
    "        if sum(arr[:i]) == sum(arr[i+1:]):\n",
    "            break\n",
    "    return i"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 13,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "3"
      ]
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     "execution_count": 13,
     "metadata": {},
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     "data": {
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       "1"
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     "execution_count": 13,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "find_even_index([1,2,3,4,3,2,1])\n",
    "find_even_index([1,100,50,-51,1,1])"
   ]
  }
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