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id="52"/></item></list></costumes><sounds><list struct="atomic" id="53"></list></sounds><blocks></blocks><variables></variables><scripts><script x="30" y="34.00000000000003"><block s="receiveInteraction"><l><option>clicked</option></l></block><block s="doAsk"><l>Add item to the shopping list</l></block><custom-block s="add item %s %s"><block s="getLastAnswer"></block><block var="Shopping List"/></custom-block><block s="doBroadcast"><l>print shopping list</l></block></script><script x="364" y="22.00000000000003"><block s="receiveGo"></block><block s="doSetVar"><l>Shopping List</l><block s="reportNewList"><list></list></block></block></script></scripts></sprite><sprite name="Clear List" idx="2" x="-175.3421603110628" y="38.560551732891355" heading="90" scale="1" volume="100" pan="0" rotation="1" draggable="true" costume="1" color="0,137.70000000000002,38.55600000000003,1" pen="tip" id="74"><costumes><list id="75"><item><costume name="shopping-list-button-clear-list" center-x="53" 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var="list"/></block><block var="list"/></block></script><script><block s="doSayFor"><block s="reportJoinWords"><list><block var="item"/><l> is not on the list.</l></list></block><l>2</l></block></script></block></script></block-definition><block-definition s="add item %&apos;item&apos; %&apos;list&apos;" type="command" category="other"><header></header><code></code><translations></translations><inputs><input type="%s"></input><input type="%s"></input></inputs><script><block s="doIfElse"><block s="reportNot"><block s="reportListContainsItem"><block var="list"/><block var="item"/></block></block><script><block s="doAddToList"><block var="item"/><block var="Shopping List"/></block></script><script><block s="doSayFor"><block s="reportJoinWords"><list><block var="item"/><l>is already on the list</l></list></block><l>2</l></block></script></block></script></block-definition></blocks><variables><variable name="Shopping List"><list struct="atomic" id="724"></list></variable></variables></project><media name="Unit 4, Shopping App " app="Snap! 6, https://snap.berkeley.edu" version="1"></media></snapdata>