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id="10"/></item><item><costume name="sick person" center-x="50" center-y="40" 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" id="11"/></item></list></costumes><sounds><list struct="atomic" id="12"></list></sounds><blocks></blocks><variables><variable name="infected?"><l>0</l></variable></variables><scripts><script x="18" y="42.16666666666688"><block s="receiveOnClone"></block><custom-block s="initialize clone"></custom-block><block s="doWaitUntil"><block var="running"/></block><block s="doUntil"><block s="reportEquals"><block var="number infected"/><block var="population"/></block><script><block s="forward"><block var="speed"/></block><block s="bounceOffEdge"></block><block s="doWarp"><script><block s="doIf"><l/><script><block s="doIf"><block s="reportNot"><block var="infected?"/></block><script><block s="doChangeVar"><l>number infected</l><l>1</l></block></script></block><block s="doSetVar"><l>infected?</l><block s="reportBoolean"><l><bool>true</bool></l></block></block><block s="doSwitchToCostume"><l>sick person</l></block></script></block></script></block></script></block></script><script x="23" y="373"><block s="receiveMessage"><l>vanish</l></block><block s="removeClone"></block></script><script x="21" y="449"><block s="receiveGo"></block><block s="bubble"><l></l></block><block s="bubble"><custom-block s="simulate disease, population: %n percent infected: %n Speed: %n"><l>100</l><l>5</l><l>2</l></custom-block></block><block s="show"></block></script><script x="13" y="575.8333333333334"><custom-block s="average time for disease spread with population size %n"><l></l></custom-block></script></scripts></sprite><watcher var="running" style="normal" x="10" y="10" color="243,118,29" hidden="true"/><watcher var="speed" style="normal" x="10" y="31.000001999999995" color="243,118,29" hidden="true"/><watcher var="population" style="normal" x="10" y="52.00000399999999" color="243,118,29" hidden="true"/><watcher var="number infected" style="normal" x="10" y="73.00000599999998" color="243,118,29" hidden="true"/><watcher var="elasped time" style="normal" x="10" y="94.00000799999998" color="243,118,29" hidden="true"/><watcher var="start time" style="normal" x="10" y="115.00000999999997" color="243,118,29" hidden="true"/><watcher var="% initially infected" style="normal" x="10" y="136.00001199999997" color="243,118,29" hidden="true"/><watcher scope="Sprite" var="infected?" style="normal" x="10" y="157.00001399999996" color="243,118,29" hidden="true"/></sprites></stage><hidden></hidden><headers></headers><code></code><blocks><block-definition s="initialize clone" type="command" category="other"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doIf"><block s="reportLessThan"><block var="number infected"/><block s="reportProduct"><block var="population"/><block s="reportQuotient"><block var="% initially infected"/><l>100</l></block></block></block><script><block s="doChangeVar"><l>number infected</l><l>1</l></block><block s="doSetVar"><l>infected?</l><block s="reportBoolean"><l><bool>true</bool></l></block></block><block s="doSwitchToCostume"><l>sick person</l></block></script></block><block s="doGotoObject"><l><option>random position</option></l></block><block s="doFaceTowards"><l><option>random position</option></l></block></script></block-definition><block-definition s="touching infected person?" type="predicate" category="other"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doForEach"><l>item</l><block s="reportGet"><l><option>neighbors</option></l></block><script><block s="doIf"><block s="reportAnd"><block s="reportNot"><block var="infected?"/></block><block s="reportAnd"><block s="reportTouchingObject"><l></l></block><block s="reportAskFor"><l></l><block var="infected?"/><list></list></block></block></block><script><block s="doReport"><block s="reportBoolean"><l><bool>true</bool></l></block></block></script></block></script></block><block s="doReport"><block s="reportBoolean"><l><bool>false</bool></l></block></block></script></block-definition><block-definition s="simulate disease, population: %&apos;population&apos; percent infected: %&apos;infected&apos; Speed: %&apos;speed&apos;" type="reporter" category="other"><header></header><code></code><translations></translations><inputs><input type="%n"></input><input type="%n"></input><input type="%n"></input></inputs><script><custom-block s="initialize simulation %n %n %n"><block var="population"/><block var="infected"/><block var="speed"/></custom-block><block s="show"></block><block s="doRepeat"><block var="population"/><script><block s="createClone"><l><option>myself</option></l></block></script></block><block s="hide"></block><block s="doSetVar"><l>start time</l><block s="reportDate"><l><option>time in milliseconds</option></l></block></block><block s="doSetVar"><l>running</l><block s="reportBoolean"><l><bool>true</bool></l></block></block><block s="doWaitUntil"><block s="reportEquals"><block var="number infected"/><block var="population"/></block></block><block s="doSetVar"><l>elasped time</l><block s="reportQuotient"><block s="reportDifference"><block s="reportDate"><l><option>time in milliseconds</option></l></block><block var="start time"/></block><l>1000</l></block></block><block s="doReport"><block var="elasped time"/></block></script></block-definition><block-definition s="initialize simulation %&apos;pop&apos; %&apos;ini&apos; %&apos;sp&apos;" type="command" category="other"><header></header><code></code><translations></translations><inputs><input type="%n"></input><input type="%n"></input><input type="%n"></input></inputs><script><block s="doSetVar"><l>population</l><block var="pop"/></block><block s="doSetVar"><l>% initially infected</l><block var="ini"/></block><block s="doSetVar"><l>speed</l><block var="sp"/></block><block s="doSetVar"><l>infected?</l><block s="reportBoolean"><l><bool>false</bool></l></block></block><block s="doSetVar"><l>running</l><block s="reportBoolean"><l><bool>false</bool></l></block></block><block s="doSetVar"><l>number infected</l><l>0</l></block><block s="doSwitchToCostume"><l>blue symbol bluee</l></block><block s="setScale"><l>50</l></block></script></block-definition><block-definition s="average time for disease spread with population size %&apos;size&apos;" type="reporter" category="operators"><header></header><code></code><translations></translations><inputs><input type="%n"></input></inputs><script><block s="bubble"><l></l></block><block s="doReport"><block s="reportQuotient"><block s="reportCombine"><block s="reportMap"><block s="reifyReporter"><autolambda><custom-block s="simulate disease, population: %n percent infected: %n Speed: %n"><block var="size"/><l>10</l><l>2</l></custom-block></autolambda><list></list></block><block s="reportNumbers"><l>1</l><l>10</l></block></block><block s="reifyReporter"><autolambda><block s="reportSum"><l></l><l></l></block></autolambda><list></list></block></block><l>10</l></block></block></script></block-definition></blocks><variables><variable name="running"><l>0</l></variable><variable name="speed"><l>0</l></variable><variable name="population"><l>0</l></variable><variable name="number infected"><l>0</l></variable><variable name="elasped time"><l>0</l></variable><variable name="start time"><l>0</l></variable><variable name="% initially infected"><l>0</l></variable></variables></project><media name="Disease Spread Project " app="Snap! 6, https://snap.berkeley.edu" version="1"></media></snapdata>