{
"cells": [
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Objects and Data Structures Assessment Test"
]
},
{
"cell_type": "markdown",
"metadata": {
"collapsed": true
},
"source": [
"## Test your knowledge. \n",
"\n",
"** Answer the following questions **"
]
},
{
"cell_type": "markdown",
"metadata": {
"collapsed": true
},
"source": [
"Write a brief description of all the following Object Types and Data Structures we've learned about: "
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"Numbers:\n",
"\n",
"Strings:\n",
"\n",
"Lists:\n",
"\n",
"Tuples:\n",
"\n",
"Dictionaries:\n"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Numbers\n",
"\n",
"Write an equation that uses multiplication, division, an exponent, addition, and subtraction that is equal to 100.25.\n",
"\n",
"Hint: This is just to test your memory of the basic arithmetic commands, work backwards from 100.25"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": []
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"Explain what the cell below will produce and why. Can you change it so the answer is correct?"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"2/3"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"Answer these 3 questions without typing code. Then type code to check your answer.\n",
"\n",
" What is the value of the expression 4 * (6 + 5)\n",
" \n",
" What is the value of the expression 4 * 6 + 5 \n",
" \n",
" What is the value of the expression 4 + 6 * 5 "
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": []
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"What is the *type* of the result of the expression 3 + 1.5 + 4?"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": []
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"What would you use to find a number’s square root, as well as its square? "
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": []
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Strings"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"Given the string 'hello' give an index command that returns 'e'. Use the code below:"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"s = 'hello'\n",
"# Print out 'e' using indexing\n",
"\n",
"# Code here"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"Reverse the string 'hello' using indexing:"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"s ='hello'\n",
"\n",
"# Reverse the string using indexing\n",
"\n",
"# Code here"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"Given the string hello, give two methods of producing the letter 'o' using indexing."
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"s ='hello'\n",
"\n",
"# Print out the\n",
"\n",
"# Code here"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Lists"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"Build this list [0,0,0] two separate ways."
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": []
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"Reassign 'hello' in this nested list to say 'goodbye' item in this list:"
]
},
{
"cell_type": "code",
"execution_count": 14,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"l = [1,2,[3,4,'hello']]"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"Sort the list below:"
]
},
{
"cell_type": "code",
"execution_count": 15,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"l = [5,3,4,6,1]"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Dictionaries"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"Using keys and indexing, grab the 'hello' from the following dictionaries:"
]
},
{
"cell_type": "code",
"execution_count": 10,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"d = {'simple_key':'hello'}\n",
"# Grab 'hello'\n"
]
},
{
"cell_type": "code",
"execution_count": 12,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"d = {'k1':{'k2':'hello'}}\n",
"# Grab 'hello'\n"
]
},
{
"cell_type": "code",
"execution_count": 13,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"# Getting a little tricker\n",
"d = {'k1':[{'nest_key':['this is deep',['hello']]}]}\n",
"\n",
"#Grab hello\n"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"# This will be hard and annoying!\n",
"d = {'k1':[1,2,{'k2':['this is tricky',{'tough':[1,2,['hello']]}]}]}"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"Can you sort a dictionary? Why or why not?"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": []
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Tuples"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"What is the major difference between tuples and lists?"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": []
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"How do you create a tuple?"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": []
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Sets "
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"What is unique about a set?"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": []
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"Use a set to find the unique values of the list below:"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"l = [1,2,2,33,4,4,11,22,3,3,2]"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Booleans"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"For the following quiz questions, we will get a preview of comparison operators:\n",
"\n",
"<table class=\"table table-bordered\">\n",
"<tr>\n",
"<th style=\"width:10%\">Operator</th><th style=\"width:45%\">Description</th><th>Example</th>\n",
"</tr>\n",
"<tr>\n",
"<td>==</td>\n",
"<td>If the values of two operands are equal, then the condition becomes true.</td>\n",
"<td> (a == b) is not true.</td>\n",
"</tr>\n",
"<tr>\n",
"<td>!=</td>\n",
"<td>If values of two operands are not equal, then condition becomes true.</td>\n",
"</tr>\n",
"<tr>\n",
"<td><></td>\n",
"<td>If values of two operands are not equal, then condition becomes true.</td>\n",
"<td> (a <> b) is true. This is similar to != operator.</td>\n",
"</tr>\n",
"<tr>\n",
"<td>></td>\n",
"<td>If the value of left operand is greater than the value of right operand, then condition becomes true.</td>\n",
"<td> (a > b) is not true.</td>\n",
"</tr>\n",
"<tr>\n",
"<td><</td>\n",
"<td>If the value of left operand is less than the value of right operand, then condition becomes true.</td>\n",
"<td> (a < b) is true.</td>\n",
"</tr>\n",
"<tr>\n",
"<td>>=</td>\n",
"<td>If the value of left operand is greater than or equal to the value of right operand, then condition becomes true.</td>\n",
"<td> (a >= b) is not true. </td>\n",
"</tr>\n",
"<tr>\n",
"<td><=</td>\n",
"<td>If the value of left operand is less than or equal to the value of right operand, then condition becomes true.</td>\n",
"<td> (a <= b) is true. </td>\n",
"</tr>\n",
"</table>"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"What will be the resulting Boolean of the following pieces of code (answer fist then check by typing it in!)"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": false
},
"outputs": [],
"source": [
"# Answer before running cell\n",
"2 > 3"
]
},
{
"cell_type": "code",
"execution_count": 17,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"# Answer before running cell\n",
"3 <= 2"
]
},
{
"cell_type": "code",
"execution_count": 18,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"# Answer before running cell\n",
"3 == 2.0"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": false
},
"outputs": [],
"source": [
"# Answer before running cell\n",
"3.0 == 3"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": false
},
"outputs": [],
"source": [
"# Answer before running cell\n",
"4**0.5 != 2"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"Final Question: What is the boolean output of the cell block below?"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": false
},
"outputs": [],
"source": [
"# two nested lists\n",
"l_one = [1,2,[3,4]]\n",
"l_two = [1,2,{'k1':4}]\n",
"\n",
"#True or False?\n",
"l_one[2][0] >= l_two[2]['k1']"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Great Job on your first assessment! "
]
}
],
"metadata": {
"anaconda-cloud": {},
"kernelspec": {
"display_name": "Python [default]",
"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": "3.5.3"
}
},
"nbformat": 4,
"nbformat_minor": 0
}