     ]
    },
    {
     "cell_type": "code",
     "execution_count": 2,
     "metadata": {
      "collapsed": false
     },
     "outputs": [
      {
 
</s> remove    "execution_count": 3,
 </s> add    "execution_count": 16, </s> remove    "execution_count": 1,
 </s> add    "execution_count": 14, </s> remove    "display_name": "Python 2",
 </s> add    "display_name": "Python 3", </s> remove    "name": "python2"
 </s> add    "name": "python3"
   "execution_count": 15,
     ]
    },
    {
     "cell_type": "code",
   "execution_count": 15,
     "metadata": {
      "collapsed": false
     },
     "outputs": [
      {
keep keep keep keep replace keep keep keep keep keep
 Improved compression by only appending count if the count is more than 2 
arrays_strings/compress/compress_solution.ipynb