<snapdata remixID="14932129"><project name="U3L1-ShoppingList_Empty to Students" app="Snap! 11.0.8, https://snap.berkeley.edu" version="2"><notes></notes><thumbnail>data:image/png;base64,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</thumbnail><scenes select="1"><scene name="U3L1-ShoppingList_Empty to Students"><notes></notes><hidden></hidden><headers></headers><code></code><blocks><block-definition s="map %&apos;function&apos; over %&apos;lists&apos;" type="reporter" category="lists"><header></header><code></code><translations></translations><inputs><input type="%repRing"></input><input type="%mult%l"></input></inputs><script><block s="doWarp"><script><block s="doDeclareVariables"><list><l>mapone</l><l>mapmany</l></list></block><block s="doSetVar"><l>mapone</l><block s="reifyScript"><script><block s="doIf"><custom-block s="empty? %l"><block var="data"/></custom-block><script><block s="doReport"><block s="reportNewList"><list></list></block></block></script><list></list></block><block s="doReport"><block s="reportCONS"><block s="evaluate"><block var="function"/><list><block s="reportListItem"><l>1</l><block var="data"/></block></list></block><block s="evaluate"><block var="mapone"/><list><block s="reportCDR"><block var="data"/></block></list></block></block></block></script><list><l>data</l></list></block></block><block s="doSetVar"><l>mapmany</l><block s="reifyScript"><script><block s="doIf"><custom-block s="empty? %l"><block s="reportListItem"><l>1</l><block var="data lists"/></block></custom-block><script><block s="doReport"><block s="reportNewList"><list></list></block></block></script><list></list></block><block s="doReport"><block s="reportCONS"><block s="evaluate"><block var="function"/><custom-block s="map %repRing over %mult%l"><block s="reifyReporter"><autolambda><block s="reportListItem"><l>1</l><l/></block></autolambda><list></list></block><list><block var="data lists"/></list></custom-block></block><block s="evaluate"><block var="mapmany"/><list><custom-block s="map %repRing over %mult%l"><block s="reifyReporter"><autolambda><block s="reportCDR"><l/></block></autolambda><list></list></block><list><block var="data lists"/></list></custom-block></list></block></block></block></script><list><l>data lists</l></list></block></block><block s="doIfElse"><custom-block s="empty? %l"><block s="reportCDR"><block var="lists"/></block></custom-block><script><block s="doReport"><block s="evaluate"><block var="mapone"/><list><block s="reportListItem"><l>1</l><block var="lists"/></block></list></block></block></script><script><block s="doReport"><block s="evaluate"><block var="mapmany"/><list><block var="lists"/></list></block></block></script></block></script></block></script></block-definition><block-definition s="empty? %&apos;data&apos;" type="predicate" category="lists"><header></header><code></code><translations></translations><inputs><input type="%l"></input></inputs><script><block s="doReport"><block s="reportVariadicEquals"><list><block var="data"/><block s="reportNewList"><list></list></block></list></block></block></script></block-definition><block-definition s="keep items such that %&apos;pred&apos; from %&apos;data&apos;" type="reporter" category="lists"><header></header><code></code><translations></translations><inputs><input type="%predRing"></input><input type="%l"></input></inputs><script><block s="doWarp"><script><block s="doIf"><custom-block s="empty? %l"><block var="data"/></custom-block><script><block s="doReport"><block s="reportNewList"><list></list></block></block></script><list></list></block><block s="doIfElse"><block s="evaluate"><block var="pred"/><list><block s="reportListItem"><l>1</l><block var="data"/></block></list></block><script><block s="doReport"><block s="reportCONS"><block s="reportListItem"><l>1</l><block var="data"/></block><custom-block s="keep items such that %predRing from %l"><block var="pred"/><block s="reportCDR"><block var="data"/></block></custom-block></block></block></script><script><block s="doReport"><custom-block s="keep items such that %predRing from %l"><block var="pred"/><block s="reportCDR"><block var="data"/></block></custom-block></block></script></block></script></block></script></block-definition><block-definition s="combine with %&apos;function&apos; items of %&apos;data&apos;" type="reporter" category="lists"><header></header><code></code><translations></translations><inputs><input type="%repRing"></input><input type="%l"></input></inputs><script><block s="doWarp"><script><block s="doIf"><custom-block s="empty? %l"><block s="reportCDR"><block var="data"/></block></custom-block><script><block s="doReport"><block s="reportListItem"><l>1</l><block var="data"/></block></block></script><list></list></block><block s="doReport"><block s="evaluate"><block var="function"/><list><block s="reportListItem"><l>1</l><block var="data"/></block><custom-block s="combine with %repRing items of %l"><block var="function"/><block s="reportCDR"><block var="data"/></block></custom-block></list></block></block></script></block></script></block-definition><block-definition s="if %&apos;test&apos; then %&apos;true&apos; else %&apos;false&apos;" type="reporter" category="control"><header></header><code></code><translations></translations><inputs><input type="%b"></input><input type="%anyUE"></input><input type="%anyUE"></input></inputs><script><block s="doIfElse"><block var="test"/><script><block s="doReport"><block s="evaluate"><block var="true"/><list></list></block></block></script><script><block s="doReport"><block s="evaluate"><block var="false"/><list></list></block></block></script></block></script></block-definition><block-definition s="for %&apos;i&apos; = %&apos;start&apos; to %&apos;end&apos; %&apos;action&apos;" type="command" category="control"><header></header><code></code><translations></translations><inputs><input type="%upvar"></input><input type="%n">1</input><input type="%n">10</input><input type="%cs"></input></inputs><script><block s="doDeclareVariables"><list><l>step</l><l>tester</l></list></block><block s="doIfElse"><block s="reportVariadicGreaterThan"><list><block var="start"/><block var="end"/></list></block><script><block s="doSetVar"><l>step</l><l>-1</l></block><block s="doSetVar"><l>tester</l><block s="reifyReporter"><autolambda><block s="reportVariadicLessThan"><list><block var="i"/><block var="end"/></list></block></autolambda><list></list></block></block></script><script><block s="doSetVar"><l>step</l><l>1</l></block><block s="doSetVar"><l>tester</l><block s="reifyReporter"><autolambda><block s="reportVariadicGreaterThan"><list><block var="i"/><block var="end"/></list></block></autolambda><list></list></block></block></script></block><block s="doSetVar"><l>i</l><block var="start"/></block><block s="doUntil"><block s="evaluate"><block var="tester"/><list></list></block><script><block s="doRun"><block var="action"/><list></list></block><block s="doChangeVar"><l>i</l><block var="step"/></block></script></block></script></block-definition><block-definition s="join words %&apos;words&apos;" type="reporter" category="operators"><header></header><code></code><translations></translations><inputs><input type="%mult%txt"></input></inputs><script><block s="doWarp"><script><block s="doIf"><custom-block s="empty? %l"><block s="reportCDR"><block var="words"/></block></custom-block><script><block s="doReport"><block s="reportListItem"><l>1</l><block var="words"/></block></block></script><list></list></block><block s="doReport"><block s="reportJoinWords"><list><block s="reportListItem"><l>1</l><block var="words"/></block><l> </l><custom-block s="join words %mult%txt"><block s="reportCDR"><block var="words"/></block></custom-block></list></block></block></script></block></script></block-definition><block-definition s="list $arrowRight sentence %&apos;data&apos;" type="reporter" category="operators"><header></header><code></code><translations></translations><inputs><input type="%l"></input></inputs><script><block s="doWarp"><script><block s="doReport"><custom-block s="join words %mult%txt"><block var="data"/></custom-block></block></script></block></script></block-definition><block-definition s="sentence $arrowRight list %&apos;text&apos;" type="reporter" category="operators"><header></header><code></code><translations></translations><inputs><input type="%txt"></input></inputs><script><block s="doWarp"><script><block s="doReport"><block s="reportTextSplit"><block var="text"/><l><option>whitespace</option></l></block></block></script></block></script></block-definition><block-definition s="catch %&apos;tag&apos; %&apos;action&apos;" type="command" category="control"><header></header><code></code><translations></translations><inputs><input type="%upvar"></input><input type="%cs"></input></inputs><script><block s="doCallCC"><block s="reifyScript"><script><block s="doSetVar"><l>tag</l><block var="cont"/></block><block s="doRun"><block var="action"/><list></list></block></script><list><l>cont</l></list></block></block></script></block-definition><block-definition s="throw %&apos;cont&apos;" type="command" category="control"><header></header><code></code><translations></translations><inputs><input type="%s">catchtag</input></inputs><script><block s="doRun"><block var="cont"/><list></list></block></script></block-definition><block-definition s="catch %&apos;tag&apos; %&apos;value&apos;" type="reporter" category="control"><header></header><code></code><translations></translations><inputs><input type="%upvar"></input><input type="%anyUE"></input></inputs><script><block s="doCallCC"><block s="reifyScript"><script><block s="doSetVar"><l>tag</l><block var="cont"/></block><block s="doReport"><block s="evaluate"><block var="value"/><list></list></block></block></script><list><l>cont</l></list></block></block></script></block-definition><block-definition s="throw %&apos;tag&apos; %&apos;value&apos;" type="command" category="control"><header></header><code></code><translations></translations><inputs><input type="%s">catchtag</input><input type="%s"></input></inputs><script><block s="doRun"><block var="tag"/><list><block var="value"/></list></block></script></block-definition><block-definition s="for each %&apos;item&apos; of %&apos;data&apos; %&apos;action&apos;" type="command" category="lists"><header></header><code></code><translations></translations><inputs><input type="%upvar"></input><input type="%l"></input><input type="%cs"></input></inputs><script><block s="doUntil"><custom-block s="empty? %l"><block var="data"/></custom-block><script><block s="doSetVar"><l>item</l><block s="reportListItem"><l>1</l><block var="data"/></block></block><block s="doRun"><block var="action"/><list><block s="reportListItem"><l>1</l><block var="data"/></block></list></block><block s="doSetVar"><l>data</l><block s="reportCDR"><block var="data"/></block></block></script></block></script></block-definition><block-definition s="if %&apos;test&apos; do %&apos;action&apos; and pause all $pause-1-255-220-0" type="command" category="control"><header></header><code></code><translations></translations><inputs><input type="%boolUE"></input><input type="%cs"></input></inputs><script><block s="doDeclareVariables"><list><l>breakpoint</l></list></block><block s="doIf"><block s="evaluate"><block var="test"/><list></list></block><script><block s="doSetVar"><l>breakpoint</l><block var="test"/></block><block s="doShowVar"><l>breakpoint</l></block><block s="doRun"><block var="action"/><list></list></block><block s="doPauseAll"></block><block s="doHideVar"><l></l></block></script><list></list></block></script></block-definition><block-definition s="word $arrowRight list %&apos;word&apos;" type="reporter" category="operators"><header></header><code></code><translations></translations><inputs><input type="%txt"></input></inputs><script><block s="doWarp"><script><block s="doReport"><block s="reportTextSplit"><block var="word"/><l><option>letter</option></l></block></block></script></block></script></block-definition><block-definition s="ignore %&apos;x&apos;" type="command" category="control"><header></header><code></code><translations></translations><inputs><input type="%s"></input></inputs></block-definition><block-definition s="tell %&apos;sprite&apos; to %&apos;commands&apos;" type="command" category="sensing"><header></header><code></code><translations></translations><inputs><input type="%txt">Sprite</input><input type="%cs"></input></inputs><script><block s="doRun"><block s="reportAttributeOf"><block var="commands"/><block var="sprite"/></block><list></list></block></script></block-definition><block-definition s="ask for %&apos;reporter&apos; from %&apos;sprite&apos;" type="reporter" category="sensing"><header></header><code></code><translations></translations><inputs><input type="%repRing"></input><input type="%txt">Sprite</input></inputs><script><block s="doReport"><block s="evaluate"><block s="reportAttributeOf"><block var="reporter"/><block var="sprite"/></block><list></list></block></block></script></block-definition><block-definition s="tell %&apos;sprite&apos; %&apos;action&apos;" type="command" category="control"><header></header><code></code><translations></translations><inputs><input type="%s">Sprite</input><input type="%cs"></input></inputs><script><block s="doRun"><block s="reportAttributeOf"><block var="action"/><block var="sprite"/></block><list></list></block></script></block-definition><block-definition s="ask %&apos;sprite&apos; %&apos;expression&apos;" type="reporter" category="control"><header></header><code></code><translations></translations><inputs><input type="%s">Sprite</input><input type="%repRing"></input></inputs><script><block s="doReport"><block s="evaluate"><block s="reportAttributeOf"><block var="expression"/><block var="sprite"/></block><list></list></block></block></script></block-definition></blocks><primitives></primitives><stage name="Stage" width="480" height="360" costume="0" color="255,255,255,1" tempo="60" threadsafe="false" penlog="false" volume="100" pan="0" lines="round" ternary="true" hyperops="true" codify="false" inheritance="false" sublistIDs="false" id="548"><pentrails>data:image/png;base64,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</pentrails><costumes><list struct="atomic" id="549"></list></costumes><sounds><list struct="atomic" id="550"></list></sounds><variables></variables><blocks></blocks><scripts></scripts><sprites select="4"><watcher var="list" style="normal" x="10" y="10" color="243,118,29" extX="80" extY="70"/><watcher var="search" style="normal" x="10" y="103.000002" color="243,118,29" hidden="true"/><watcher var="add" style="normal" x="10" y="124.00000399999999" color="243,118,29" hidden="true"/><watcher var="clear" style="normal" x="10" y="145.00000599999998" color="243,118,29" hidden="true"/><watcher var="delete" style="normal" x="10" y="166.00000799999998" color="243,118,29" hidden="true"/><sprite name="Search" idx="2" x="-6" y="-54.00000000000006" heading="90" scale="1" volume="100" pan="0" rotation="1" draggable="true" costume="1" color="140.25,33.660000000000004,0,1" pen="tip" id="560"><costumes><list id="561"><item><ref mediaID="U3L1-ShoppingList_Empty to Students_Search_cst_shopping-list-button-search"></ref></item></list></costumes><sounds><list struct="atomic" id="562"></list></sounds><blocks></blocks><variables></variables><scripts><script x="574" y="329.73333333333335"><block s="receiveInteraction"><l><option>clicked</option></l></block><block s="doSetVar"><l>search</l><l>1</l></block><block s="doIf"><block s="reportVariadicEquals"><list><block s="reportVariadicSum"><list><block var="add"/><block var="delete"/><block var="clear"/></list></block><l>1</l></list></block><script><block s="doSetVar"><l>search</l><l>0</l></block><block s="doStopThis"><l><option>all but this script</option></l></block></script><list></list></block><block s="doAsk"><l>What item are you looking for?</l></block><custom-block s="for each %upvar of %l %cs"><l>item</l><block var="list"/><script><block s="doIf"><block s="reportVariadicEquals"><list><block s="getLastAnswer"></block><block var="item"/></list></block><script><block s="doSayFor"><l>Item is already in your list</l><l>2</l></block><block s="doStopThis"><l><option>this script</option></l></block></script><list><l><bool>false</bool></l><script><block s="doSayFor"><l>item is not in your list</l><l>2</l></block></script></list></block></script></custom-block><block s="doSetVar"><l>search</l><l>0</l></block><block s="doStopThis"><l><option>this script</option></l></block></script></scripts></sprite><sprite name="Clear List" idx="1" x="2" y="-6" heading="90" scale="1" volume="100" pan="0" rotation="1" draggable="true" costume="1" color="0,137.70000000000002,38.55600000000003,1" pen="tip" id="628"><costumes><list id="629"><item><ref mediaID="U3L1-ShoppingList_Empty to Students_Clear List_cst_shopping-list-button-clear-list"></ref></item></list></costumes><sounds><list struct="atomic" id="630"></list></sounds><blocks></blocks><variables></variables><scripts><script x="542" y="135.73333333333335"><block s="receiveInteraction"><l><option>clicked</option></l></block><block s="doSetVar"><l>clear</l><l>1</l></block><block s="doIf"><block s="reportVariadicEquals"><list><block s="reportVariadicSum"><list><block var="add"/><block var="delete"/><block var="search"/></list></block><l>1</l></list></block><script><block s="doSetVar"><l>clear</l><l>0</l></block><block s="doStopThis"><l><option>all but this script</option></l></block></script><list></list></block><block s="doAsk"><l>Are you sure you want to clear list?</l></block><block s="doIf"><block s="reportVariadicEquals"><list><block s="getLastAnswer"></block><l>yes</l></list></block><script><block s="doSetVar"><l>list</l><block s="reportNewList"><list></list></block></block></script><list></list></block><block s="doSetVar"><l>clear</l><l>0</l></block><block s="doStopThis"><l><option>this script</option></l></block></script></scripts></sprite><sprite name="Delete Item" idx="4" x="-6" y="-104.00000000000006" heading="90" scale="1" volume="100" pan="0" rotation="1" draggable="true" costume="1" color="173.4,31.211999999999993,0,1" pen="tip" id="686"><costumes><list id="687"><item><ref mediaID="U3L1-ShoppingList_Empty to Students_Delete Item_cst_shopping-list-button-delete-item"></ref></item></list></costumes><sounds><list struct="atomic" id="688"></list></sounds><blocks></blocks><variables></variables><scripts><script x="491" y="279.73333333333335"><block s="receiveInteraction"><l><option>clicked</option></l></block><block s="doSetVar"><l>delete</l><l>1</l></block><block s="doIf"><block s="reportVariadicEquals"><list><block s="reportVariadicSum"><list><block var="search"/><block var="add"/><block var="clear"/></list></block><l>1</l></list></block><script><block s="doSetVar"><l>delete</l><l>0</l></block><block s="doStopThis"><l><option>all but this script</option></l></block></script><list></list></block><block s="doAsk"><l>what iitem would you like to delete?</l></block><custom-block s="for each %upvar of %l %cs"><l>item</l><block var="list"/><script><block s="doIf"><block s="reportVariadicEquals"><list><block s="getLastAnswer"></block><block var="item"/></list></block><script><block s="doDeleteFromList"><block var="item"/><block var="list"/></block></script><list></list></block></script></custom-block><block s="doSetVar"><l>delete</l><l>0</l></block><block s="doStopThis"><l><option>this script</option></l></block></script></scripts></sprite><sprite name="Add Item" idx="3" x="3" y="40" heading="90" scale="1" volume="100" pan="0" rotation="1" draggable="true" costume="1" color="80,80,80,1" pen="tip" id="746"><costumes><list id="747"><item><ref mediaID="U3L1-ShoppingList_Empty to Students_Add Item_cst_shopping-list-button-add-item"></ref></item></list></costumes><sounds><list struct="atomic" id="748"></list></sounds><blocks></blocks><variables></variables><scripts><script x="266" y="266.73333333333335"><block s="receiveGo"></block><block s="doSetVar"><l>add</l><l>0</l></block><block s="doSetVar"><l>search</l><l>0</l></block><block s="doSetVar"><l>clear</l><l>0</l></block><block s="doSetVar"><l>delete</l><l>0</l></block><block s="doSetVar"><l>list</l><block s="reportNewList"><list></list></block></block></script><script x="589" y="313.73333333333335"><block s="receiveInteraction"><l><option>clicked</option></l></block><block s="doSetVar"><l>add</l><l>1</l></block><block s="doIf"><block s="reportVariadicEquals"><list><block s="reportVariadicSum"><list><block var="add"/><block var="delete"/><block var="clear"/></list></block><l>1</l></list></block><script><block s="doSetVar"><l>add</l><l>0</l></block><block s="doStopThis"><l><option>all but this script</option></l></block></script><list></list></block><block s="doAsk"><l>What item would you like to add?</l></block><block s="doAddToList"><block s="getLastAnswer"></block><block var="list"/></block><block s="doSetVar"><l>add</l><l>0</l></block><block s="doStopThis"><l><option>this script</option></l></block></script></scripts></sprite></sprites></stage><variables><variable name="list"><list struct="atomic" id="810"></list></variable><variable name="search"><l>0</l></variable><variable name="add"><l>1</l></variable><variable name="clear"><l>1</l></variable><variable name="delete"><l>0</l></variable></variables></scene></scenes></project><media name="U3L1-ShoppingList_Empty to Students" app="Snap! 11.0.8, https://snap.berkeley.edu" version="2"><costume name="shopping-list-button-search" center-x="53" center-y="15" image="data:image/png;base64,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" mediaID="U3L1-ShoppingList_Empty to Students_Search_cst_shopping-list-button-search"/><costume name="shopping-list-button-clear-list" center-x="53" center-y="15" image="data:image/png;base64,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" mediaID="U3L1-ShoppingList_Empty to Students_Clear List_cst_shopping-list-button-clear-list"/><costume name="shopping-list-button-delete-item" center-x="53" center-y="15" image="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAGoAAAAeCAYAAADEkotAAAAHhElEQVR4AexZC1CUVRQ+AQuyLOwCWhNaLiNPXVfCQKEHTVgZMZmYKOSrHCuDIgqfkaVmpmZlLzAhZXLUTKTMaKaitHywgoiQi28McRWBAReXZXm47Xft7qwryro+wOnf4fvvf8/jnnPPOfexiwN18fHz83Pxk8tHhYaEfhEZEVmhVAzWDugvNwqwPwaK4IG6sKFhNREREX8EBQTM9bvnngFdpIGumKh+/fp53TfkvhW9RM4NwYOHrE+YOOmVefMXBH23ebO7qmQvFZWWCrAjBojdlvx8cWbWqjuTU1IfiR0VN9/FTXJoePjwnb6+vsorJazTRAUMCBjvKZWdfCR6xPQNm3Jdt2z53jXtjRR64rFoCvD3I28vL/KUSQXYEQPEzlfen0JDhlDiuLG0bOlipx2Fux3jE5+LcOvlWqxUKNI6S5aDNfH+0PuXenl75XyekSn+aPlS0aCBQdYiQv8GR0AmlVJqSvId6zZ+J5J5eS9CDqxNXJIopUI5w1UsTln37Qbnhx96wFpW6N/kCAxWDKQ1OTnOTk5OrwX5+ydamjMnyl8uDzEaLyz6MjPTGUvTUkh4v3URQOyXffyxi0jkkmW6yPXhls2J8ux9Z+a06UkixaBgzhPaborAg5HD6YnYWCepVPoud4ElSi6XB+n1zUOnTJrA6ULbzRGY+sILIkOzfqqPj48YrrBESdwkE54a9Qy5u0tAE9ADIhAU6E/BisEdYieXp+AOS5TUQzYiPDzcCYT/N3rW7B98OEos7eMVA69YopqbzwcHBQaiL6AHRSBkiJJEjqIouHQxUTqdm7e3F/oCelAEfH3ldK6xoS9ccsBh1d7W5ujh7o7+Tceq7NXkJ/dlwPtNN3gbG+jTuze1GgzOyrvucnNwNn0wl169XNDYhJemJ7FA84AnJE6gHbsKbdKdNvV5OnqikiZOnWaTvKXQ/IXv041OrvVcMKcNG3PNZmNiYqns7wPm/q184TnRurqK2NZ3rcbnzJ7FVBBwICx8GM1ITaWGhkZGv50eKzO+YIUT/WQMvbf0Q/Y+Pn7MJVPQapsu6XdHx65EWTv6xuuvkjI0lDZtzmMsVH3EsAjzqkOfMbp4nPiniiwrHCsV1Qw6Kv2b7FW0ZOEC87iWqxirDTIAVoHlqujCbKds6GOsw+oDNCUxwWyTC8OnznzletAFLGUwF65/re0NSRSM+viwM49tgV9/9RWZfgZh1fnb9u30e0EBYQKQuxoWf7CEsbFKgUejo2n2zFkk738vGwvb5ay357F38PENHgoohIMVaoIt0Oemp9OK5R8Sggm+PcCqwlgBAwfRmnXrzTb5WFfyFXrwE4A/BT/n0+atW2l0/HhSqfZw9WtuHcQ6cTu0DIZWNHZDoznFdCsqKqi25oy5CkdERVHRrp2k0WgY/2oPTArw+++ygdWDiu5qSy0uLmY2YAu6WAHwQV1x8GrmrosHPwHYA6x99fG52zy+UjGIJHZc1lpaDGwMD72+zUFdqz7v7OLSWltXx4j2PD765DMqKymhZ+NGU9++fQlViGpCRXJge+xq7LDIB8hyxXBdT08Z4eNumqxGcxqv7FKBAGHVBAYGEc4YLs/bmJGPM9nreUhlMqquvliEM2bOIWyrGK8rXyFzvdA2NZGjo2NHWU2Njm19Upmn5njlCZvH5csegQKK9qhoZXYWIaAIzugxY4hXN/g4a/jWhz0bNMvzBucLjC9e/D7bJsHnAI+vqLjRo0i1exc7L/Jyc1lSsS2iCDzcPRid68GOLWcC5KBTYNqi0memsTG4r/ApKTmZOL26+iRhWwX9Sr5iG+ZzK1QVQZQwBxQZVh0KixFteGDeYjeJDqIsUcYLxj/Ly8vRtwn8psQrd/26taQ0LW+uzK/gR03XcAB87N3gW+uC/87bc8FiZxFkQeMADwUAASQlP38rOy/Qwg7ogOk/pYzO9WDH0ifIdAbIcR3ecl8hj3OQ0+Eb+qDDF/Q5Dy18hU94BzAOWtBRTHiHHvRtAbZuscSN7d8sUfVnz/60fds2vS3Kgsyti0Bx8d6O803aAlhkiXLWu+ary/Y7Hjl2HDQBPSAC53U6+jFv04VmrXYt3GGJwoVCLJGsyc76mt0AwRDQvRH4Zu16o9jVrexoVZUanrBE4aWuvm7eTz/ktRfuKUZXQDdG4OChI5Tx2Yr2urOnX+JumBNVWVlZc6G945U3X09prT7V9XcePoDQ3tgIIPbJSUkGBwfHBceqqvby0c2JAkF95NDqFn1LxuRJkw3IKmgCbl0Edpuu8+PGjm1tqK/N2F++/z1Ly5ckCoyS0pLUhtraRfFj4toyVmYZcaiBLuDmReDwkaM0e056+4vPTzE01tW/XFJammpt7bJEmQSM+8r3L9RpmyNzsrP2RQ4b3vZW+jsduXlb6ID6IGlOn6GGxnMCriMGJ0w/Pm//ayd9+nkGxY9L0Mc9/XTr77/+slrXou+PXc2Ug8v+OksUEzp+8nixqkg1VN+kDfk+d+OS5cs+UE1MTGiMjopqDwsJIQH2xyB25EjD7LS0yrVrVufsK1RNNtbf4V20t+hF3BNY8Dt5/AsAAP//hzgLQQAAAAZJREFUAwBhirkjTjoB3QAAAABJRU5ErkJggg==" mediaID="U3L1-ShoppingList_Empty to Students_Delete Item_cst_shopping-list-button-delete-item"/><costume name="shopping-list-button-add-item" center-x="53" center-y="15" image="data:image/png;base64,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" mediaID="U3L1-ShoppingList_Empty to Students_Add Item_cst_shopping-list-button-add-item"/></media></snapdata>