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+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## Python Library for Data Analysis\n",
+    "\n",
+    "- series object -one dimensional array\n",
+    "- \n",
+    "\n",
+    "- Updating Data Frames\n",
+    "- Writing DataFrame back to CSV File"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 18,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/html": [
+       "<div>\n",
+       "<style scoped>\n",
+       "    .dataframe tbody tr th:only-of-type {\n",
+       "        vertical-align: middle;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe tbody tr th {\n",
+       "        vertical-align: top;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe thead th {\n",
+       "        text-align: right;\n",
+       "    }\n",
+       "</style>\n",
+       "<table border=\"1\" class=\"dataframe\">\n",
+       "  <thead>\n",
+       "    <tr style=\"text-align: right;\">\n",
+       "      <th></th>\n",
+       "      <th>GEOID</th>\n",
+       "      <th>State</th>\n",
+       "      <th>2005</th>\n",
+       "      <th>2006</th>\n",
+       "      <th>2007</th>\n",
+       "      <th>2008</th>\n",
+       "      <th>2009</th>\n",
+       "      <th>2010</th>\n",
+       "      <th>2011</th>\n",
+       "      <th>2012</th>\n",
+       "      <th>2013</th>\n",
+       "    </tr>\n",
+       "  </thead>\n",
+       "  <tbody>\n",
+       "    <tr>\n",
+       "      <th>0</th>\n",
+       "      <td>04000US01</td>\n",
+       "      <td>Alabama</td>\n",
+       "      <td>37150</td>\n",
+       "      <td>37952</td>\n",
+       "      <td>42212</td>\n",
+       "      <td>44476</td>\n",
+       "      <td>39980</td>\n",
+       "      <td>40933</td>\n",
+       "      <td>42590</td>\n",
+       "      <td>43464</td>\n",
+       "      <td>41381</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1</th>\n",
+       "      <td>04000US02</td>\n",
+       "      <td>Alaska</td>\n",
+       "      <td>55891</td>\n",
+       "      <td>56418</td>\n",
+       "      <td>62993</td>\n",
+       "      <td>63989</td>\n",
+       "      <td>61604</td>\n",
+       "      <td>57848</td>\n",
+       "      <td>57431</td>\n",
+       "      <td>63648</td>\n",
+       "      <td>61137</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>2</th>\n",
+       "      <td>04000US04</td>\n",
+       "      <td>Arizona</td>\n",
+       "      <td>45245</td>\n",
+       "      <td>46657</td>\n",
+       "      <td>629933</td>\n",
+       "      <td>46914</td>\n",
+       "      <td>45739</td>\n",
+       "      <td>46896</td>\n",
+       "      <td>48621</td>\n",
+       "      <td>47044</td>\n",
+       "      <td>50602</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>3</th>\n",
+       "      <td>04000US05</td>\n",
+       "      <td>Arkansas</td>\n",
+       "      <td>36658</td>\n",
+       "      <td>37057</td>\n",
+       "      <td>40795</td>\n",
+       "      <td>39586</td>\n",
+       "      <td>36538</td>\n",
+       "      <td>38587</td>\n",
+       "      <td>41302</td>\n",
+       "      <td>39018</td>\n",
+       "      <td>39919</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>4</th>\n",
+       "      <td>04000US06</td>\n",
+       "      <td>California</td>\n",
+       "      <td>51755</td>\n",
+       "      <td>55319</td>\n",
+       "      <td>55734</td>\n",
+       "      <td>57014</td>\n",
+       "      <td>56134</td>\n",
+       "      <td>54283</td>\n",
+       "      <td>53367</td>\n",
+       "      <td>57020</td>\n",
+       "      <td>57528</td>\n",
+       "    </tr>\n",
+       "  </tbody>\n",
+       "</table>\n",
+       "</div>"
+      ],
+      "text/plain": [
+       "       GEOID       State   2005   2006    2007   2008   2009   2010   2011  \\\n",
+       "0  04000US01     Alabama  37150  37952   42212  44476  39980  40933  42590   \n",
+       "1  04000US02      Alaska  55891  56418   62993  63989  61604  57848  57431   \n",
+       "2  04000US04     Arizona  45245  46657  629933  46914  45739  46896  48621   \n",
+       "3  04000US05    Arkansas  36658  37057   40795  39586  36538  38587  41302   \n",
+       "4  04000US06  California  51755  55319   55734  57014  56134  54283  53367   \n",
+       "\n",
+       "    2012   2013  \n",
+       "0  43464  41381  \n",
+       "1  63648  61137  \n",
+       "2  47044  50602  \n",
+       "3  39018  39919  \n",
+       "4  57020  57528  "
+      ]
+     },
+     "execution_count": 18,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "#Function to read csv data into data frame\n",
+    "#returns the Dataframe object\n",
+    "filepath='DataFIles/income.csv'\n",
+    "import pandas as pd\n",
+    "def readcsvdata(filepath):\n",
+    "    return pd.read_csv(filepath)\n",
+    "\n",
+    "readcsvdata(filepath)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 19,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "GEOID State 2005 2006 2007 2008 2009 2010 2011 2012 2013 "
+     ]
+    }
+   ],
+   "source": [
+    "incomedf=readcsvdata(filepath)\n",
+    "# Function to print all column names in a single line\n",
+    "#GEOID State 2005 .....\n",
+    "\n",
+    "def printdataframecolumns(df):\n",
+    "    columns=df.columns\n",
+    "    for column in columns:\n",
+    "        print(column,end=' ')\n",
+    "    return\n",
+    "\n",
+    "printdataframecolumns(incomedf)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 20,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "04000US02 Alaska 55891 56418 62993 63989 61604 57848 57431 63648 61137 "
+     ]
+    }
+   ],
+   "source": [
+    "# Function to access a row based on unique column value\n",
+    "def accessdataframerow(df,key):\n",
+    "    for row in df.values:\n",
+    "        if key in row:\n",
+    "            for item in row:\n",
+    "                print(item,end=' ')\n",
+    "    return\n",
+    "accessdataframerow(incomedf,\"Alaska\")"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 21,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/html": [
+       "<div>\n",
+       "<style scoped>\n",
+       "    .dataframe tbody tr th:only-of-type {\n",
+       "        vertical-align: middle;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe tbody tr th {\n",
+       "        vertical-align: top;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe thead th {\n",
+       "        text-align: right;\n",
+       "    }\n",
+       "</style>\n",
+       "<table border=\"1\" class=\"dataframe\">\n",
+       "  <thead>\n",
+       "    <tr style=\"text-align: right;\">\n",
+       "      <th></th>\n",
+       "      <th>GEOID</th>\n",
+       "      <th>State</th>\n",
+       "      <th>2005</th>\n",
+       "      <th>2006</th>\n",
+       "      <th>2007</th>\n",
+       "      <th>2008</th>\n",
+       "      <th>2009</th>\n",
+       "      <th>2010</th>\n",
+       "      <th>2011</th>\n",
+       "      <th>2012</th>\n",
+       "      <th>2013</th>\n",
+       "    </tr>\n",
+       "  </thead>\n",
+       "  <tbody>\n",
+       "    <tr>\n",
+       "      <th>0</th>\n",
+       "      <td>04000US01</td>\n",
+       "      <td>Alabama</td>\n",
+       "      <td>37150</td>\n",
+       "      <td>37952</td>\n",
+       "      <td>42212</td>\n",
+       "      <td>44476</td>\n",
+       "      <td>39980</td>\n",
+       "      <td>40933</td>\n",
+       "      <td>42590</td>\n",
+       "      <td>43464</td>\n",
+       "      <td>41381</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1</th>\n",
+       "      <td>04000US02</td>\n",
+       "      <td>Alaska</td>\n",
+       "      <td>55891</td>\n",
+       "      <td>56418</td>\n",
+       "      <td>62993</td>\n",
+       "      <td>63989</td>\n",
+       "      <td>61604</td>\n",
+       "      <td>57848</td>\n",
+       "      <td>57431</td>\n",
+       "      <td>63648</td>\n",
+       "      <td>61137</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>2</th>\n",
+       "      <td>04000US04</td>\n",
+       "      <td>Arizona</td>\n",
+       "      <td>45245</td>\n",
+       "      <td>46657</td>\n",
+       "      <td>629933</td>\n",
+       "      <td>46914</td>\n",
+       "      <td>45739</td>\n",
+       "      <td>46896</td>\n",
+       "      <td>48621</td>\n",
+       "      <td>47044</td>\n",
+       "      <td>50602</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>3</th>\n",
+       "      <td>04000US05</td>\n",
+       "      <td>Arkansas</td>\n",
+       "      <td>36658</td>\n",
+       "      <td>37057</td>\n",
+       "      <td>40795</td>\n",
+       "      <td>39586</td>\n",
+       "      <td>36538</td>\n",
+       "      <td>38587</td>\n",
+       "      <td>41302</td>\n",
+       "      <td>39018</td>\n",
+       "      <td>39919</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>4</th>\n",
+       "      <td>04000US06</td>\n",
+       "      <td>California</td>\n",
+       "      <td>51755</td>\n",
+       "      <td>55319</td>\n",
+       "      <td>55734</td>\n",
+       "      <td>57014</td>\n",
+       "      <td>56134</td>\n",
+       "      <td>54283</td>\n",
+       "      <td>53367</td>\n",
+       "      <td>57020</td>\n",
+       "      <td>57528</td>\n",
+       "    </tr>\n",
+       "  </tbody>\n",
+       "</table>\n",
+       "</div>"
+      ],
+      "text/plain": [
+       "       GEOID       State   2005   2006    2007   2008   2009   2010   2011  \\\n",
+       "0  04000US01     Alabama  37150  37952   42212  44476  39980  40933  42590   \n",
+       "1  04000US02      Alaska  55891  56418   62993  63989  61604  57848  57431   \n",
+       "2  04000US04     Arizona  45245  46657  629933  46914  45739  46896  48621   \n",
+       "3  04000US05    Arkansas  36658  37057   40795  39586  36538  38587  41302   \n",
+       "4  04000US06  California  51755  55319   55734  57014  56134  54283  53367   \n",
+       "\n",
+       "    2012   2013  \n",
+       "0  43464  41381  \n",
+       "1  63648  61137  \n",
+       "2  47044  50602  \n",
+       "3  39018  39919  \n",
+       "4  57020  57528  "
+      ]
+     },
+     "execution_count": 21,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "incomedf"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 22,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "56134"
+      ]
+     },
+     "execution_count": 22,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "# Accessing a unique value based on row, column information\n",
+    "\n",
+    "#Income of a state in a given year\n",
+    "\n",
+    "def getrowindex(df,rowkey):\n",
+    "    for i in range(len(df.values)):\n",
+    "        if df.values[i][0]==rowkey or df.values[i][1]==rowkey:\n",
+    "            rowindex=i\n",
+    "    return rowindex\n",
+    "\n",
+    "def getcolumnindex(df,columnkey):\n",
+    "    for i in range(len(df.columns)):\n",
+    "        if df.columns[i]==columnkey:\n",
+    "            columnindex=i\n",
+    "    return columnindex\n",
+    "\n",
+    "\n",
+    "def valuefromrowcolumn(df,rowkey,columnkey):\n",
+    "    rowindex=getrowindex(df,rowkey)\n",
+    "    columnindex=getcolumnindex(df,columnkey)\n",
+    "    return df.values[rowindex][columnindex]\n",
+    "valuefromrowcolumn(incomedf,'California','2009')"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 23,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/html": [
+       "<div>\n",
+       "<style scoped>\n",
+       "    .dataframe tbody tr th:only-of-type {\n",
+       "        vertical-align: middle;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe tbody tr th {\n",
+       "        vertical-align: top;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe thead th {\n",
+       "        text-align: right;\n",
+       "    }\n",
+       "</style>\n",
+       "<table border=\"1\" class=\"dataframe\">\n",
+       "  <thead>\n",
+       "    <tr style=\"text-align: right;\">\n",
+       "      <th></th>\n",
+       "      <th>GEOID</th>\n",
+       "      <th>State</th>\n",
+       "      <th>2005</th>\n",
+       "      <th>2006</th>\n",
+       "      <th>2007</th>\n",
+       "      <th>2008</th>\n",
+       "      <th>2009</th>\n",
+       "      <th>2010</th>\n",
+       "      <th>2011</th>\n",
+       "      <th>2012</th>\n",
+       "      <th>2013</th>\n",
+       "    </tr>\n",
+       "  </thead>\n",
+       "  <tbody>\n",
+       "    <tr>\n",
+       "      <th>0</th>\n",
+       "      <td>04000US01</td>\n",
+       "      <td>Alabama</td>\n",
+       "      <td>37150</td>\n",
+       "      <td>37952</td>\n",
+       "      <td>42212</td>\n",
+       "      <td>44476</td>\n",
+       "      <td>39980</td>\n",
+       "      <td>40933</td>\n",
+       "      <td>42590</td>\n",
+       "      <td>43464</td>\n",
+       "      <td>41381</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1</th>\n",
+       "      <td>04000US02</td>\n",
+       "      <td>Alaska</td>\n",
+       "      <td>55891</td>\n",
+       "      <td>56418</td>\n",
+       "      <td>62993</td>\n",
+       "      <td>63989</td>\n",
+       "      <td>61604</td>\n",
+       "      <td>57848</td>\n",
+       "      <td>57431</td>\n",
+       "      <td>63648</td>\n",
+       "      <td>61137</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>2</th>\n",
+       "      <td>04000US04</td>\n",
+       "      <td>Arizona</td>\n",
+       "      <td>45245</td>\n",
+       "      <td>46657</td>\n",
+       "      <td>629933</td>\n",
+       "      <td>46914</td>\n",
+       "      <td>45739</td>\n",
+       "      <td>46896</td>\n",
+       "      <td>48621</td>\n",
+       "      <td>47044</td>\n",
+       "      <td>50602</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>3</th>\n",
+       "      <td>04000US05</td>\n",
+       "      <td>Arkansas</td>\n",
+       "      <td>36658</td>\n",
+       "      <td>37057</td>\n",
+       "      <td>40795</td>\n",
+       "      <td>39586</td>\n",
+       "      <td>36538</td>\n",
+       "      <td>38587</td>\n",
+       "      <td>41302</td>\n",
+       "      <td>39018</td>\n",
+       "      <td>39919</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>4</th>\n",
+       "      <td>04000US06</td>\n",
+       "      <td>California</td>\n",
+       "      <td>51755</td>\n",
+       "      <td>55319</td>\n",
+       "      <td>55734</td>\n",
+       "      <td>57014</td>\n",
+       "      <td>56134</td>\n",
+       "      <td>54283</td>\n",
+       "      <td>53367</td>\n",
+       "      <td>57020</td>\n",
+       "      <td>57528</td>\n",
+       "    </tr>\n",
+       "  </tbody>\n",
+       "</table>\n",
+       "</div>"
+      ],
+      "text/plain": [
+       "       GEOID       State   2005   2006    2007   2008   2009   2010   2011  \\\n",
+       "0  04000US01     Alabama  37150  37952   42212  44476  39980  40933  42590   \n",
+       "1  04000US02      Alaska  55891  56418   62993  63989  61604  57848  57431   \n",
+       "2  04000US04     Arizona  45245  46657  629933  46914  45739  46896  48621   \n",
+       "3  04000US05    Arkansas  36658  37057   40795  39586  36538  38587  41302   \n",
+       "4  04000US06  California  51755  55319   55734  57014  56134  54283  53367   \n",
+       "\n",
+       "    2012   2013  \n",
+       "0  43464  41381  \n",
+       "1  63648  61137  \n",
+       "2  47044  50602  \n",
+       "3  39018  39919  \n",
+       "4  57020  57528  "
+      ]
+     },
+     "execution_count": 23,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "#Function to update data based on rowkey and column key\n",
+    "def updatedatafromrowcolumn(df,rowkey,columnkey,newdata):\n",
+    "    rowindex=getrowindex(df,rowkey)\n",
+    "    columnindex=getcolumnindex(df,columnkey)\n",
+    "    row=df.values[rowindex]\n",
+    "    row[columnindex]=newdata\n",
+    "    df.loc[rowindex]=row\n",
+    "    return\n",
+    "\n",
+    "updatedatafromrowcolumn(incomedf,'Arizona','2007',629933)\n",
+    "incomedf"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 24,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "04000US02 Alaska 55891 56418 62993 63989 61604 57848 57431 63648 61137 "
+     ]
+    }
+   ],
+   "source": [
+    "accessdataframerow(incomedf,62993)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 25,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "#Function to write dataframe to csv\n",
+    "\n",
+    "incomedf.to_csv(filepath,index=False)\n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 29,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/html": [
+       "<div>\n",
+       "<style scoped>\n",
+       "    .dataframe tbody tr th:only-of-type {\n",
+       "        vertical-align: middle;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe tbody tr th {\n",
+       "        vertical-align: top;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe thead th {\n",
+       "        text-align: right;\n",
+       "    }\n",
+       "</style>\n",
+       "<table border=\"1\" class=\"dataframe\">\n",
+       "  <thead>\n",
+       "    <tr style=\"text-align: right;\">\n",
+       "      <th></th>\n",
+       "      <th>GEOID</th>\n",
+       "      <th>State</th>\n",
+       "      <th>2005</th>\n",
+       "      <th>2006</th>\n",
+       "      <th>2007</th>\n",
+       "      <th>2008</th>\n",
+       "      <th>2009</th>\n",
+       "      <th>2010</th>\n",
+       "      <th>2011</th>\n",
+       "      <th>2012</th>\n",
+       "      <th>2013</th>\n",
+       "    </tr>\n",
+       "  </thead>\n",
+       "  <tbody>\n",
+       "    <tr>\n",
+       "      <th>0</th>\n",
+       "      <td>04000US01</td>\n",
+       "      <td>Alabama</td>\n",
+       "      <td>37150</td>\n",
+       "      <td>37952</td>\n",
+       "      <td>42212</td>\n",
+       "      <td>44476</td>\n",
+       "      <td>39980</td>\n",
+       "      <td>40933</td>\n",
+       "      <td>42590</td>\n",
+       "      <td>43464</td>\n",
+       "      <td>41381</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1</th>\n",
+       "      <td>04000US02</td>\n",
+       "      <td>Alaska</td>\n",
+       "      <td>55891</td>\n",
+       "      <td>56418</td>\n",
+       "      <td>62993</td>\n",
+       "      <td>63989</td>\n",
+       "      <td>61604</td>\n",
+       "      <td>57848</td>\n",
+       "      <td>57431</td>\n",
+       "      <td>63648</td>\n",
+       "      <td>61137</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>2</th>\n",
+       "      <td>04000US04</td>\n",
+       "      <td>Arizona</td>\n",
+       "      <td>45245</td>\n",
+       "      <td>46657</td>\n",
+       "      <td>629933</td>\n",
+       "      <td>46914</td>\n",
+       "      <td>45739</td>\n",
+       "      <td>46896</td>\n",
+       "      <td>48621</td>\n",
+       "      <td>47044</td>\n",
+       "      <td>50602</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>3</th>\n",
+       "      <td>04000US05</td>\n",
+       "      <td>Arkansas</td>\n",
+       "      <td>36658</td>\n",
+       "      <td>37057</td>\n",
+       "      <td>40795</td>\n",
+       "      <td>39586</td>\n",
+       "      <td>36538</td>\n",
+       "      <td>38587</td>\n",
+       "      <td>41302</td>\n",
+       "      <td>39018</td>\n",
+       "      <td>39919</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>4</th>\n",
+       "      <td>04000US06</td>\n",
+       "      <td>California</td>\n",
+       "      <td>51755</td>\n",
+       "      <td>55319</td>\n",
+       "      <td>55734</td>\n",
+       "      <td>57014</td>\n",
+       "      <td>56134</td>\n",
+       "      <td>54283</td>\n",
+       "      <td>53367</td>\n",
+       "      <td>57020</td>\n",
+       "      <td>57528</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>6</th>\n",
+       "      <td>1</td>\n",
+       "      <td>2</td>\n",
+       "      <td>3</td>\n",
+       "      <td>4</td>\n",
+       "      <td>5</td>\n",
+       "      <td>6</td>\n",
+       "      <td>7</td>\n",
+       "      <td>8</td>\n",
+       "      <td>9</td>\n",
+       "      <td>10</td>\n",
+       "      <td>11</td>\n",
+       "    </tr>\n",
+       "  </tbody>\n",
+       "</table>\n",
+       "</div>"
+      ],
+      "text/plain": [
+       "       GEOID       State   2005   2006    2007   2008   2009   2010   2011  \\\n",
+       "0  04000US01     Alabama  37150  37952   42212  44476  39980  40933  42590   \n",
+       "1  04000US02      Alaska  55891  56418   62993  63989  61604  57848  57431   \n",
+       "2  04000US04     Arizona  45245  46657  629933  46914  45739  46896  48621   \n",
+       "3  04000US05    Arkansas  36658  37057   40795  39586  36538  38587  41302   \n",
+       "4  04000US06  California  51755  55319   55734  57014  56134  54283  53367   \n",
+       "6          1           2      3      4       5      6      7      8      9   \n",
+       "\n",
+       "    2012   2013  \n",
+       "0  43464  41381  \n",
+       "1  63648  61137  \n",
+       "2  47044  50602  \n",
+       "3  39018  39919  \n",
+       "4  57020  57528  \n",
+       "6     10     11  "
+      ]
+     },
+     "execution_count": 29,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "#Function to add a new row of data to dataframe\n",
+    "\n",
+    "def addrowdatadataframe(df, rowdata):\n",
+    "    lastrowindex=len(df.values)-1\n",
+    "    df.loc[lastrowindex+1] = rowdata\n",
+    "    return\n",
+    "\n",
+    "\n",
+    "rowdata=[1,2,3,4,5,6,7,8,9,10,11]\n",
+    "addrowdatadataframe(incomedf,rowdata)\n",
+    "incomedf"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 27,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/html": [
+       "<div>\n",
+       "<style scoped>\n",
+       "    .dataframe tbody tr th:only-of-type {\n",
+       "        vertical-align: middle;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe tbody tr th {\n",
+       "        vertical-align: top;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe thead th {\n",
+       "        text-align: right;\n",
+       "    }\n",
+       "</style>\n",
+       "<table border=\"1\" class=\"dataframe\">\n",
+       "  <thead>\n",
+       "    <tr style=\"text-align: right;\">\n",
+       "      <th></th>\n",
+       "      <th>GEOID</th>\n",
+       "      <th>State</th>\n",
+       "      <th>2005</th>\n",
+       "      <th>2006</th>\n",
+       "      <th>2007</th>\n",
+       "      <th>2008</th>\n",
+       "      <th>2009</th>\n",
+       "      <th>2010</th>\n",
+       "      <th>2011</th>\n",
+       "      <th>2012</th>\n",
+       "      <th>2013</th>\n",
+       "    </tr>\n",
+       "  </thead>\n",
+       "  <tbody>\n",
+       "    <tr>\n",
+       "      <th>0</th>\n",
+       "      <td>04000US01</td>\n",
+       "      <td>Alabama</td>\n",
+       "      <td>37150</td>\n",
+       "      <td>37952</td>\n",
+       "      <td>42212</td>\n",
+       "      <td>44476</td>\n",
+       "      <td>39980</td>\n",
+       "      <td>40933</td>\n",
+       "      <td>42590</td>\n",
+       "      <td>43464</td>\n",
+       "      <td>41381</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1</th>\n",
+       "      <td>04000US02</td>\n",
+       "      <td>Alaska</td>\n",
+       "      <td>55891</td>\n",
+       "      <td>56418</td>\n",
+       "      <td>62993</td>\n",
+       "      <td>63989</td>\n",
+       "      <td>61604</td>\n",
+       "      <td>57848</td>\n",
+       "      <td>57431</td>\n",
+       "      <td>63648</td>\n",
+       "      <td>61137</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>2</th>\n",
+       "      <td>04000US04</td>\n",
+       "      <td>Arizona</td>\n",
+       "      <td>45245</td>\n",
+       "      <td>46657</td>\n",
+       "      <td>629933</td>\n",
+       "      <td>46914</td>\n",
+       "      <td>45739</td>\n",
+       "      <td>46896</td>\n",
+       "      <td>48621</td>\n",
+       "      <td>47044</td>\n",
+       "      <td>50602</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>3</th>\n",
+       "      <td>04000US05</td>\n",
+       "      <td>Arkansas</td>\n",
+       "      <td>36658</td>\n",
+       "      <td>37057</td>\n",
+       "      <td>40795</td>\n",
+       "      <td>39586</td>\n",
+       "      <td>36538</td>\n",
+       "      <td>38587</td>\n",
+       "      <td>41302</td>\n",
+       "      <td>39018</td>\n",
+       "      <td>39919</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>4</th>\n",
+       "      <td>04000US06</td>\n",
+       "      <td>California</td>\n",
+       "      <td>51755</td>\n",
+       "      <td>55319</td>\n",
+       "      <td>55734</td>\n",
+       "      <td>57014</td>\n",
+       "      <td>56134</td>\n",
+       "      <td>54283</td>\n",
+       "      <td>53367</td>\n",
+       "      <td>57020</td>\n",
+       "      <td>57528</td>\n",
+       "    </tr>\n",
+       "  </tbody>\n",
+       "</table>\n",
+       "</div>"
+      ],
+      "text/plain": [
+       "       GEOID       State   2005   2006    2007   2008   2009   2010   2011  \\\n",
+       "0  04000US01     Alabama  37150  37952   42212  44476  39980  40933  42590   \n",
+       "1  04000US02      Alaska  55891  56418   62993  63989  61604  57848  57431   \n",
+       "2  04000US04     Arizona  45245  46657  629933  46914  45739  46896  48621   \n",
+       "3  04000US05    Arkansas  36658  37057   40795  39586  36538  38587  41302   \n",
+       "4  04000US06  California  51755  55319   55734  57014  56134  54283  53367   \n",
+       "\n",
+       "    2012   2013  \n",
+       "0  43464  41381  \n",
+       "1  63648  61137  \n",
+       "2  47044  50602  \n",
+       "3  39018  39919  \n",
+       "4  57020  57528  "
+      ]
+     },
+     "execution_count": 27,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "#Function to delete a row in a dataframe\n",
+    "def deleterowdataframe(df,rowkey):\n",
+    "    rowindex=getrowindex(df,rowkey)\n",
+    "    return df.drop([rowindex],axis=0)\n",
+    "    \n",
+    "incomedf=deleterowdataframe(incomedf,1)\n",
+    "incomedf\n",
+    "\n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": []
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.7.3"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 2
+}