<snapdata remixID="9272622"><project name="Lesson 3.3 Demonstration Problem" app="Snap! 5.4, http://snap.berkeley.edu" 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s="receiveKey"><l><option>3</option></l></block><block s="doAsk"><l>Give me a month and I can tell you how many days it has</l></block><custom-block s="days in %s"><block s="getLastAnswer"></block></custom-block></script><script x="195" y="206.99999999999932"><block s="receiveKey"><l><option>4</option></l></block><block s="doAsk"><l>give me a year</l></block><custom-block s="Is a leap year %s"><block s="getLastAnswer"></block></custom-block></script><script x="143" y="367"><block s="receiveKey"><l><option>5</option></l></block><block s="doAsk"><l>Give me a month</l></block><block s="doSetVar"><l>month</l><block s="getLastAnswer"></block></block><block s="doAsk"><l>pick a number between 1-31</l></block><block s="doSetVar"><l>day</l><block s="getLastAnswer"></block></block><custom-block s="is a valid date %s %s"><block var="month"/><block var="day"/></custom-block></script><script x="15" y="16"><block s="clear"></block></script><script x="124" y="21"><block s="receiveGo"></block><block s="doAsk"><l>what size should the square be?</l></block><custom-block s="draw a size %s square"><block s="getLastAnswer"></block></custom-block></script><script x="465" y="319"><block s="receiveKey"><l><option>6</option></l></block></script></scripts></sprite><watcher var="number" style="normal" x="10" y="10" color="243,118,29"/><watcher var="month" style="normal" x="10" y="31.000001999999995" color="243,118,29"/><watcher var="day" style="normal" x="10" y="52.00000399999999" color="243,118,29"/><watcher var="year" style="normal" x="10" y="73.00000599999998" color="243,118,29"/></sprites></stage><hidden></hidden><headers></headers><code></code><blocks><block-definition s="draw a size %&apos;size&apos; square" type="command" category="pen"><header></header><code></code><translations></translations><inputs><input type="%s">50</input></inputs><script><block s="down"></block><block s="doRepeat"><l>4</l><script><block s="forward"><block var="size"/></block><block s="turn"><l>90</l></block></script></block><block s="up"></block></script></block-definition><block-definition s="double %&apos;val&apos;" type="command" category="other"><header></header><code></code><translations></translations><inputs><input type="%n">10</input></inputs><script><block s="doSetVar"><l>val</l><block s="reportProduct"><block var="val"/><l>2</l></block></block><block s="doSayFor"><block s="reportJoinWords"><list><l>In block: </l><block var="val"/></list></block><l>2</l></block></script></block-definition><block-definition s="say my %&apos;word&apos; word" type="command" category="looks"><header></header><code></code><translations></translations><inputs><input type="%txt">hello</input></inputs><script><block s="doSayFor"><block var="word"/><l>2</l></block></script></block-definition><block-definition s="%&apos;month&apos;" type="command" category="looks"><header></header><code></code><translations></translations><inputs><input type="%n"></input></inputs><script><block s="doIf"><block s="reportEquals"><block var="month"/><l>1</l></block><script><block s="doSayFor"><l>January</l><l>2</l></block></script></block><block s="doIf"><block s="reportEquals"><block var="month"/><l>2</l></block><script><block s="doSayFor"><l>February</l><l>2</l></block></script></block><block s="doIf"><block s="reportEquals"><block var="month"/><l>3</l></block><script><block s="doSayFor"><l>March</l><l>2</l></block></script></block><block s="doIf"><block s="reportEquals"><block var="month"/><l>4</l></block><script><block s="doSayFor"><l>April</l><l>2</l></block></script></block><block s="doIf"><block s="reportEquals"><block var="month"/><l>5</l></block><script><block s="doSayFor"><l>May</l><l>2</l></block></script></block><block s="doIf"><block s="reportEquals"><block var="month"/><l>6</l></block><script><block s="doSayFor"><l>June</l><l>2</l></block></script></block><block s="doIf"><block s="reportEquals"><block var="month"/><l>7</l></block><script><block s="doSayFor"><l>July</l><l>2</l></block></script></block><block s="doIf"><block s="reportEquals"><block var="month"/><l>8</l></block><script><block s="doSayFor"><l>August</l><l>2</l></block></script></block><block s="doIf"><block s="reportEquals"><block var="month"/><l>9</l></block><script><block s="doSayFor"><l>September</l><l>2</l></block></script></block><block s="doIf"><block s="reportEquals"><block var="month"/><l>10</l></block><script><block s="doSayFor"><l>October</l><l>2</l></block></script></block><block s="doIf"><block s="reportEquals"><block var="month"/><l>11</l></block><script><block s="doSayFor"><l>Novemeber</l><l>2</l></block></script></block><block s="doIf"><block s="reportEquals"><block var="month"/><l>12</l></block><script><block s="doSayFor"><l>Decemeber</l><l>2</l></block></script></block></script></block-definition><block-definition s="%&apos;day&apos; %&apos;name&apos;" type="command" category="looks"><header></header><code></code><translations></translations><inputs><input type="%n"></input><input type="%s"></input></inputs><script><block s="doIf"><block s="reportEquals"><block var="day"/><l>1</l></block><script><block s="doSayFor"><l>Sunday</l><l>2</l></block></script></block><block s="doIf"><block s="reportEquals"><block var="day"/><l>2</l></block><script><block s="doSayFor"><l>Monday</l><l>2</l></block></script></block><block s="doIf"><block s="reportEquals"><block var="day"/><l>3</l></block><script><block s="doSayFor"><l>Tuesday</l><l>2</l></block></script></block><block s="doIf"><block s="reportEquals"><block var="day"/><l>4</l></block><script><block s="doSayFor"><l>Wednesday</l><l>2</l></block></script></block><block s="doIf"><block s="reportEquals"><block var="day"/><l>5</l></block><script><block s="doSayFor"><l>Thursday</l><l>2</l></block></script></block><block s="doIf"><block s="reportEquals"><block var="day"/><l>6</l></block><script><block s="doSayFor"><l>Friday</l><l>2</l></block></script></block><block s="doIf"><block s="reportEquals"><block var="day"/><l>7</l></block><script><block s="doSayFor"><l>Saturday</l><l>2</l></block></script></block></script></block-definition><block-definition s="days in %&apos;month&apos;" type="command" category="looks"><header></header><code></code><translations></translations><inputs><input type="%s"></input></inputs><script><block s="doIf"><block s="reportEquals"><block var="month"/><l>January</l></block><script><block s="doSayFor"><l>There are 31 days</l><l>2</l></block></script></block><block s="doIf"><block s="reportEquals"><block var="month"/><l>February</l></block><script><block s="doSayFor"><l>There are 28 days</l><l>2</l></block></script></block><block s="doIf"><block s="reportEquals"><block var="month"/><l>March</l></block><script><block s="doSayFor"><l>There are 31 days</l><l>2</l></block></script></block><block s="doIf"><block s="reportEquals"><block var="month"/><l>April</l></block><script><block s="doSayFor"><l>There are 30 days</l><l>2</l></block></script></block><block s="doIf"><block s="reportEquals"><block var="month"/><l>May</l></block><script><block s="doSayFor"><l>There are 31 days</l><l>2</l></block></script></block><block s="doIf"><block s="reportEquals"><block var="month"/><l>June</l></block><script><block s="doSayFor"><l>There are 30 days</l><l>2</l></block></script></block><block s="doIf"><block s="reportEquals"><block var="month"/><l>July</l></block><script><block s="doSayFor"><l>There are 31 days</l><l>2</l></block></script></block><block s="doIf"><block s="reportEquals"><block var="month"/><l>August</l></block><script><block s="doSayFor"><l>There are 31 days</l><l>2</l></block></script></block><block s="doIf"><block s="reportEquals"><block var="month"/><l>September</l></block><script><block s="doSayFor"><l>There are 30 days</l><l>2</l></block></script></block><block s="doIf"><block s="reportEquals"><block var="month"/><l>October</l></block><script><block s="doSayFor"><l>There are 31 days</l><l>2</l></block></script></block><block s="doIf"><block s="reportEquals"><block var="month"/><l>November</l></block><script><block s="doSayFor"><l>There are 30 days</l><l>2</l></block></script></block><block s="doIf"><block s="reportEquals"><block var="month"/><l>December</l></block><script><block s="doSayFor"><l>There are 31 days</l><l>2</l></block></script></block></script></block-definition><block-definition s="Is a leap year %&apos;answer&apos;" type="command" category="operators"><header></header><code></code><translations></translations><inputs><input type="%s"></input></inputs><script><block s="doIfElse"><block s="reportOr"><block s="reportAnd"><block s="reportEquals"><block s="reportModulus"><block var="year"/><l>4</l></block><l>0</l></block><block s="reportEquals"><block s="reportNot"><block s="reportModulus"><block var="year"/><l>100</l></block></block><l>0</l></block></block><block s="reportEquals"><block s="reportModulus"><block var="year"/><l>400</l></block><l>0</l></block></block><script><block s="doSayFor"><l>It is a leap year!</l><l>2</l></block></script><script><block s="doSayFor"><l>it isn&apos;t a leap year</l><l>2</l></block></script></block></script></block-definition><block-definition s="is a valid date %&apos;month name&apos; %&apos;day #&apos;" type="command" category="operators"><header></header><code></code><translations></translations><inputs><input type="%s"></input><input type="%s"></input></inputs><script><block s="doIf"><block s="reportAnd"><block s="reportEquals"><block var="month"/><l>January</l></block><block s="reportAnd"><block s="reportGreaterThan"><block var="day"/><l>0</l></block><block s="reportLessThan"><block var="day"/><l>32</l></block></block></block><script><block s="doSayFor"><l>Thats a valid date</l><l>2</l></block></script></block><block s="doIf"><block s="reportAnd"><block s="reportEquals"><block var="month"/><l>February</l></block><block s="reportAnd"><block s="reportGreaterThan"><block var="day"/><l>0</l></block><block s="reportLessThan"><block var="day"/><l>29</l></block></block></block><script><block s="doSayFor"><l>Thats a valid date</l><l>2</l></block></script></block><block s="doIf"><block s="reportAnd"><block s="reportEquals"><block var="month"/><l>March</l></block><block s="reportAnd"><block s="reportGreaterThan"><block var="day"/><l>0</l></block><block s="reportLessThan"><block var="day"/><l>32</l></block></block></block><script><block s="doSayFor"><l>Thats a valid date</l><l>2</l></block></script></block><block s="doIf"><block s="reportAnd"><block s="reportEquals"><block var="month"/><l>April</l></block><block s="reportAnd"><block s="reportGreaterThan"><block var="day"/><l>0</l></block><block s="reportLessThan"><block var="day"/><l>31</l></block></block></block><script><block s="doSayFor"><l>Thats a valid date</l><l>2</l></block></script></block><block s="doIf"><block s="reportAnd"><block s="reportEquals"><block var="month"/><l>May</l></block><block s="reportAnd"><block s="reportGreaterThan"><block var="day"/><l>0</l></block><block s="reportLessThan"><block var="day"/><l>32</l></block></block></block><script><block s="doSayFor"><l>Thats a valid date</l><l>2</l></block></script></block><block s="doIf"><block s="reportAnd"><block s="reportEquals"><block var="month"/><l>June</l></block><block s="reportAnd"><block s="reportGreaterThan"><block var="day"/><l>0</l></block><block s="reportLessThan"><block var="day"/><l>31</l></block></block></block><script><block s="doSayFor"><l>Thats a valid date</l><l>2</l></block></script></block><block s="doIf"><block s="reportAnd"><block s="reportEquals"><block var="month"/><l>July</l></block><block s="reportAnd"><block s="reportGreaterThan"><block var="day"/><l>0</l></block><block s="reportLessThan"><block var="day"/><l>32</l></block></block></block><script><block s="doSayFor"><l>Thats a valid date</l><l>2</l></block></script></block><block s="doIf"><block s="reportAnd"><block s="reportEquals"><block var="month"/><l>August</l></block><block s="reportAnd"><block s="reportGreaterThan"><block var="day"/><l>0</l></block><block s="reportLessThan"><block var="day"/><l>32</l></block></block></block><script><block s="doSayFor"><l>Thats a valid date</l><l>2</l></block></script></block><block s="doIf"><block s="reportAnd"><block s="reportEquals"><block var="month"/><l>September</l></block><block s="reportAnd"><block s="reportGreaterThan"><block var="day"/><l>0</l></block><block s="reportLessThan"><block var="day"/><l>31</l></block></block></block><script><block s="doSayFor"><l>Thats a valid date</l><l>2</l></block></script></block><block s="doIf"><block s="reportAnd"><block s="reportEquals"><block var="month"/><l>October</l></block><block s="reportAnd"><block s="reportGreaterThan"><block var="day"/><l>0</l></block><block s="reportLessThan"><block var="day"/><l>32</l></block></block></block><script><block s="doSayFor"><l>Thats a valid date</l><l>2</l></block></script></block><block s="doIf"><block s="reportAnd"><block s="reportEquals"><block var="month"/><l>November</l></block><block s="reportAnd"><block s="reportGreaterThan"><block var="day"/><l>0</l></block><block s="reportLessThan"><block var="day"/><l>31</l></block></block></block><script><block s="doSayFor"><l>Thats a valid date</l><l>2</l></block></script></block><block s="doIfElse"><block s="reportAnd"><block s="reportEquals"><block var="month"/><l>December</l></block><block s="reportAnd"><block s="reportGreaterThan"><block var="day"/><l>0</l></block><block s="reportLessThan"><block var="day"/><l>32</l></block></block></block><script><block s="doSayFor"><l>Thats a valid date</l><l>2</l></block></script><script><block s="doSayFor"><l>That is not a valid date</l><l>2</l></block></script></block></script></block-definition></blocks><variables><variable name="number"><l>5</l></variable><variable name="month"><l>January</l></variable><variable name="day"><l>32</l></variable><variable name="year"><l>0</l></variable></variables></project><media name="Lesson 3.3 Demonstration Problem" app="Snap! 5.4, http://snap.berkeley.edu" version="1"></media></snapdata>