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JeffKatzyJeffKatzy
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stub out variables
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‎index.ipynb‎

Lines changed: 83 additions & 180 deletions
Original file line numberDiff line numberDiff line change
@@ -55,7 +55,7 @@
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},
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{
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"cell_type": "code",
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"execution_count": 2,
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"execution_count": 1,
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"metadata": {
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"collapsed": true
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},
@@ -64,6 +64,13 @@
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"top_travel_cities = ['Solta', 'Greenville', 'Buenos Aires', 'Los Cabos', 'Walla Walla Valley', 'Marakesh', 'Albuquerque', 'Archipelago Sea', 'Iguazu Falls', 'Salina Island', 'Toronto', 'Pyeongchang']"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"> Remember to press shift enter to run each gray block of code."
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
@@ -73,8 +80,10 @@
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},
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{
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"cell_type": "code",
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"execution_count": 1,
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"metadata": {},
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"execution_count": 2,
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"metadata": {
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"collapsed": true
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},
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"outputs": [],
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"source": [
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"countries = ['Croatia',\n",
@@ -109,36 +118,33 @@
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"First, access the third to last element and set it equal to the variable `italy`."
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"First, access the third to last element from `countries` and set it equal to the variable `italy`."
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]
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},
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{
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"cell_type": "code",
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"execution_count": 10,
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"execution_count": 5,
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"metadata": {
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"collapsed": true
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},
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"outputs": [],
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"source": [
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"italy = countries[-3] # 'Italy'"
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"italy = None # 'Italy'\n",
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"italy"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"> We assign the varible `italy` equal to `None`, but you should change the word `None` to code that uses the `countries` list to assign `italy` to `'Italy'`."
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]
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},
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{
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"cell_type": "code",
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"execution_count": 11,
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"metadata": {},
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"outputs": [
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{
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"data": {
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"text/plain": [
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"'Italy'"
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]
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},
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"execution_count": 11,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"execution_count": 19,
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"metadata": {},
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"outputs": [],
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"source": [
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"italy # 'Italy'"
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]
@@ -152,23 +158,11 @@
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},
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{
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"cell_type": "code",
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"execution_count": 13,
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"metadata": {},
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"outputs": [
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{
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"data": {
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"text/plain": [
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"'Mexico'"
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]
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},
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"execution_count": 13,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"mexico = countries[3]\n",
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"\n",
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"execution_count": 20,
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"metadata": {},
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"outputs": [],
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"source": [
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"mexico = None\n",
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"mexico"
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]
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},
@@ -181,22 +175,11 @@
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},
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{
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"cell_type": "code",
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"execution_count": 16,
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"metadata": {},
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"outputs": [
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{
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"data": {
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"text/plain": [
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"['USA', 'Argentina', 'Mexico', 'USA']"
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]
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},
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"execution_count": 16,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"kindof_neighbors = countries[1:5]\n",
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"execution_count": 21,
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"metadata": {},
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"outputs": [],
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"source": [
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"kindof_neighbors = None\n",
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"kindof_neighbors"
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]
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},
@@ -211,60 +194,46 @@
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"Ok, now let's add a couple of countries onto this list. At the end of the list add the country 'Malta', followed by the country 'Thailand'."
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"Ok, now let's add a couple of countries onto this list. At the end of the list, add the country 'Malta'."
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]
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},
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{
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"cell_type": "code",
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"execution_count": 18,
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"metadata": {
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"collapsed": true
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},
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"execution_count": 24,
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"metadata": {},
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"outputs": [],
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"source": [
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"countries.append('Malta')"
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"None # add code here"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"Then add the country 'Thailand'."
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]
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},
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{
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"cell_type": "code",
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"execution_count": 19,
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"metadata": {
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"collapsed": true
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},
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"execution_count": 25,
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"metadata": {},
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"outputs": [],
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"source": [
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"countries.append('Thailand')"
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"None # add code here"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"Now your list of countries should look like the following."
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]
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},
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{
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"cell_type": "code",
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"execution_count": 22,
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"metadata": {},
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"outputs": [
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{
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"data": {
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"text/plain": [
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"['Croatia',\n",
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" 'USA',\n",
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" 'Argentina',\n",
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" 'Mexico',\n",
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" 'USA',\n",
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" 'Morocco',\n",
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" 'New Mexico',\n",
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" 'Finland',\n",
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" 'Argentina',\n",
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" 'Italy',\n",
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" 'Canada',\n",
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" 'South Korea',\n",
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" 'Malta',\n",
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" 'Thailand']"
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]
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},
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"execution_count": 22,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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"countries \n",
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"# ['Croatia', 'USA', 'Argentina', 'Mexico', 'USA', 'Morocco', 'New Mexico', 'Finland', \n",
@@ -275,49 +244,23 @@
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"Now you may have notice that \"New Mexico\" is included in our list of countries. That doesn't seem right. Let's change 'New Mexico' to 'USA'."
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"You may have noticed that \"New Mexico\" is included in our list of countries. That doesn't seem right. Let's change 'New Mexico' to 'USA'."
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]
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},
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{
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"cell_type": "code",
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"execution_count": 24,
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"metadata": {
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"collapsed": true
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},
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"execution_count": 30,
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"metadata": {},
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"outputs": [],
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"source": [
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"countries[6] = 'USA'"
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"None # add code here"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 26,
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"metadata": {},
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"outputs": [
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{
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"data": {
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"text/plain": [
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"['Croatia',\n",
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" 'USA',\n",
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" 'Argentina',\n",
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" 'Mexico',\n",
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" 'USA',\n",
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" 'Morocco',\n",
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" 'USA',\n",
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" 'Finland',\n",
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" 'Argentina',\n",
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" 'Italy',\n",
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" 'Canada',\n",
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" 'South Korea',\n",
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" 'Malta',\n",
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" 'Thailand']"
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]
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},
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"execution_count": 26,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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"countries \n",
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"# ['Croatia', 'USA', 'Argentina', 'Mexico', 'USA', 'Morocco', 'USA', 'Finland', \n",
@@ -333,20 +276,9 @@
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},
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{
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"cell_type": "code",
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"execution_count": 36,
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"metadata": {},
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"outputs": [
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{
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"data": {
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"text/plain": [
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"'Thailand'"
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]
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},
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"execution_count": 36,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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"countries = ['Croatia',\n",
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" 'USA',\n",
@@ -362,7 +294,9 @@
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" 'South Korea', \n",
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" 'Malta', \n",
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" 'Thailand']\n",
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"countries.pop() # 'Thailand'"
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"countries.pop() # 'Thailand'\n",
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"countries\n",
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"# ['Croatia', 'USA', 'Argentina', 'Mexico', 'USA', 'Morocco', 'USA', 'Finland', 'Argentina', 'Italy', 'Canada', 'South Korea', 'Malta']"
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]
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},
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{
@@ -388,40 +322,20 @@
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},
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{
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"cell_type": "code",
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"execution_count": 37,
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"execution_count": 32,
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"metadata": {
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"collapsed": true
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},
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"outputs": [],
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"source": [
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"unique_countries = list(set(countries))"
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"unique_countries = None"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 38,
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"metadata": {},
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"outputs": [
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{
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"data": {
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"text/plain": [
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"['USA',\n",
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" 'South Korea',\n",
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" 'Morocco',\n",
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" 'Finland',\n",
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" 'Italy',\n",
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" 'Mexico',\n",
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" 'Argentina',\n",
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" 'Malta',\n",
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" 'Croatia',\n",
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" 'Canada']"
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]
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},
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"execution_count": 38,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"execution_count": 33,
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"metadata": {},
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"outputs": [],
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"source": [
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"unique_countries # ['USA', 'South Korea', 'Morocco', 'Finland', 'Italy', \n",
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"# 'Mexico', 'Argentina', 'Malta', 'Croatia', 'New Mexico', 'Canada']"
@@ -436,22 +350,11 @@
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},
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{
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"cell_type": "code",
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"execution_count": 43,
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"metadata": {},
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"outputs": [
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{
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"data": {
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"text/plain": [
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"3"
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]
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},
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"execution_count": 43,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"num_of_repeats = len(countries) - len(unique_countries) \n",
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"execution_count": 31,
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"metadata": {},
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"outputs": [],
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"source": [
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"num_of_repeats = None\n",
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"num_of_repeats # 3"
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]
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},

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