Python_Ref_Lists_&_Tuples.ipynb

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 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# lists"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Awesome quick way to replace elements in a list"
   ]
  },
  {
   "cell_type": "code",
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   "source": [
    "conditions = [\"NonEx\",\"Immediate Post\",\"60 min Post\",\"n/a\"]\n",
    "# dir(conditions)\n",
    "super_names = [\"Pool\" if x == \"n/a\" else x for x in conditions]\n",
    "super_names"
   ]
  },
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       "6"
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     "execution_count": 5,
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   "source": [
    "#Increment\n",
    "listo = [1,2,3]\n",
    "R = 0\n",
    "for i in listo:\n",
    "    R += i\n",
    "R"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "#Decrement\n",
    "listo = [1,2,3]\n",
    "R = 0\n",
    "for i in listo:\n",
    "    R -= i"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "[concatenating tuples](http://stackoverflow.com/questions/10459324/concatenating-tuple)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {
    "collapsed": false
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   "outputs": [
    {
     "data": {
      "text/plain": [
       "(1, 2, 3)"
      ]
     },
     "execution_count": 1,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "a = [1,2,3]\n",
    "state=()  \n",
    "for i in a:  \n",
    "    state=state+(i,)\n",
    "#Here is how to use increment correctly\n",
    "state = ()  \n",
    "for i in a:  \n",
    "    state += (i,)\n",
    "state"
   ]
  }
 ],
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