{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {
    "collapsed": false
   },
   "outputs": [],
   "source": [
    "# This function is given in the assignment\n",
    "from scs import scs\n",
    "\n",
    "# You have to implement this function, or something like it\n",
    "from scs_list import scs_list"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Example 1"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "strings = ['ABC', 'BCA', 'CAB']"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'ABCAB'"
      ]
     },
     "execution_count": 3,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# Returns just one shortest superstring\n",
    "scs(strings)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "['ABCAB', 'BCABC', 'CABCA']"
      ]
     },
     "execution_count": 4,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# Returns list of all superstrings that are tied for shorest\n",
    "scs_list(strings)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Example 2"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "strings = ['GAT', 'TAG', 'TCG', 'TGC', 'AAT', 'ATA']"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'TCGATGCAATAG'"
      ]
     },
     "execution_count": 6,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# Returns just one shortest superstring\n",
    "scs(strings)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "['AATAGATCGTGC',\n",
       " 'AATAGATGCTCG',\n",
       " 'AATAGTCGATGC',\n",
       " 'AATCGATAGTGC',\n",
       " 'AATGCTCGATAG',\n",
       " 'TCGAATAGATGC',\n",
       " 'TCGATAGAATGC',\n",
       " 'TCGATGCAATAG',\n",
       " 'TGCAATAGATCG',\n",
       " 'TGCAATCGATAG']"
      ]
     },
     "execution_count": 7,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# Returns list of all superstrings that are tied for shorest\n",
    "scs_list(strings)"
   ]
  }
 ],
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