<snapdata remixID="9858354"><project name="U3L1-ShoppingList_Empty to Students" app="Snap! 6, https://snap.berkeley.edu" version="1"><notes></notes><thumbnail>data:image/png;base64,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id="70"/></item></list></costumes><sounds><list struct="atomic" id="71"></list></sounds><blocks></blocks><variables></variables><scripts><script x="22" y="119.33333333333334"><block s="receiveInteraction"><l><option>clicked</option></l></block><custom-block s="Clear List"><comment w="90" collapsed="false">This block clears the list.</comment></custom-block></script><script x="21" y="34"><block s="receiveGo"></block><block s="doSetVar"><l>shoppingList</l><block s="reportNewList"><list><l>bread</l><l>cheese</l><l>milk</l></list></block></block></script></scripts></sprite><watcher var="shoppingList" style="normal" x="4" y="4" color="243,118,29" extX="80" extY="70"/><watcher var="index" style="normal" x="1" y="99" color="243,118,29" hidden="true"/><sprite name="Sprite" idx="5" x="1" y="95" heading="90" scale="1" volume="100" pan="0" rotation="1" draggable="true" costume="1" color="0,142.79999999999995,204,1" pen="tip" id="90"><costumes><list id="91"><item><costume name="numberofItems" center-x="71.5" center-y="24.5" image="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAI8AAAAxCAYAAADjo/qWAAAEIUlEQVR4Xu2YPXajMBSFr/cST5GTFeAVmOmndQeladKldJcGStO5dT+wArOCnCli9uI5EggExj8IRyejuekckJ7efZ/eD7PT6XQC/6iAgQIzwmOgGpdIBQgPQTBWgPAYS8eFhIcMGCtAeIyl40LCQwaMFSA8xtJxIeEhA8YKEB5j6biQ8JABYwUIj7F0XEh4yICxAoTHWDouJDxkwFgBwmMsHRcSHjJgrADhMZaOC/9BeEokizmiwkN8PGD99B2CWCIJV4jSAkCA7LjF8luc62u1GQmPCpw4VD94OcKZj9SLcTys8XXafUN48hAzP60jNQR1rY0A67TF8mtjam33CfCIS5bhtFVS/L/w5OEMgh0vPuIwmArP4SmTBeZRcWWNNQaMDRnC48HzChSd0kF4guyE5i51QkJ4AKiSESDLAL+6bnWZ6sMzlKr7/6t/BzGy5z02UQHRNXhBjN3rD7yvfMg2Ah6C7FAHpi1bQfyCjyiVa+AFiHfbtgcqcySrDaJCPu09r/dAjPhlX/UqnSyqR75EHq6wSauzya28GG+7NZZPehlXD4fKtu73Kz5lz9a98A14V89tohdQJiFWmk7Z7jE9mWHmqWo36nRdOT4BnrsSp+oXBgLWrFfvqGD1N76yxyA8t2wNgDDY890Lz61zX3o+JGDtq+rHvADBC4CPDzzvHjNoTIJnWSZYzCMUUrAfeO80zCMyj2yfjtgun6D6B5FJ5A1BgnAeIW0adC3zZDu5BmWOcO637xzrBrYJpMgec9mXVKC3UATxEdtLI5vyT5+gGltqLzRnnly2mkCr7NU/dwvP3Xo1WtR6PnCSmQaPKGR14xdUdUybtsbA004h541kf7oanrYUdCKAr59VMzp4Hzvw3Bj3VTB7WUm3JXqc/u9zu/f1PMr3y+e+Z59zffJwAb+q/7J8Z4fHTHyT4QFUufLgQfQFvR5IH+n1myxHVhMxhjJPnQGVrbPM0w/HneN+M4Jr326sZp7+uU30UnuUyJMV/AdOeA+AB+Lqtd85tFJRfcy7Uo8nwTOwb795P3ul3/Pc+tB4pefRepspmUcdsdM3Xjz3eHh+/g6x2gMvst9J5QBy+ZPCXc1n89Jj4GmmMJEWtWlD3FJ9Yorf8Lz3ERX9xtagbCFG9usPNpemCGl7g1RNW9LlsfCIupwjed/UX49l3ocXvGG3XTYfQk3gkRl70U6Tzdfyq+ceD88aKiurqpV1zj4Ol+7bI+GZYoprXVOA8LgWUYv+EB6LYrtmivC4FlGL/hAei2K7ZorwuBZRi/4QHotiu2aK8LgWUYv+EB6LYrtmivC4FlGL/hAei2K7ZorwuBZRi/4QHotiu2aK8LgWUYv+EB6LYrtmivC4FlGL/hAei2K7ZorwuBZRi/4QHotiu2aK8LgWUYv+/AVl8Uqqiv2/3QAAAABJRU5ErkJggg==" id="92"/></item></list></costumes><sounds><list struct="atomic" id="93"></list></sounds><blocks></blocks><variables></variables><scripts><script x="46" y="68"><block s="receiveInteraction"><l><option>clicked</option></l></block><custom-block s="NumberofItems"><comment w="90" collapsed="false">Displays the amount of items that are on the list.</comment></custom-block></script></scripts></sprite><watcher var="length" style="normal" x="10" y="10" color="243,118,29" hidden="true"/><sprite name="Sprite(2)" idx="6" x="1" y="-145" heading="90" scale="1" volume="100" pan="0" rotation="1" draggable="true" costume="1" color="209.1,0,138.00600000000003,1" pen="tip" id="101"><costumes><list id="102"><item><costume name="nameeach" center-x="69.5" center-y="26" image="data:image/png;base64,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" id="103"/></item></list></costumes><sounds><list struct="atomic" id="104"></list></sounds><blocks></blocks><variables></variables><scripts><script x="37" y="45"><block s="receiveInteraction"><l><option>clicked</option></l></block><custom-block s="Name Each Item %s"><block var="shoppingList"/><comment w="90" collapsed="false">Displays each item on the list.</comment></custom-block></script></scripts></sprite></sprites></stage><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></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></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="reportEquals"><block var="data"/><block s="reportNewList"><list></list></block></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></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></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="reportGreaterThan"><block var="start"/><block var="end"/></block><script><block s="doSetVar"><l>step</l><l>-1</l></block><block s="doSetVar"><l>tester</l><block s="reifyReporter"><autolambda><block s="reportLessThan"><block var="i"/><block var="end"/></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="reportGreaterThan"><block var="i"/><block var="end"/></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></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></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><block-definition s="Add Item to Shopping List" type="command" category="variables"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doAsk"><l>What do you want to add to the shopping list?</l></block><block s="doAddToList"><block s="getLastAnswer"></block><block var="shoppingList"/></block></script></block-definition><block-definition s="Delete Item from Shopping List" type="command" category="variables"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doAsk"><l>What item would you like to delete from the shopping list?</l></block><block s="doSetVar"><l>index</l><l>1</l></block><block s="doRepeat"><block s="reportListLength"><block var="shoppingList"/></block><script><block s="doIf"><block s="reportEquals"><block s="getLastAnswer"></block><block s="reportListItem"><block var="index"/><block var="shoppingList"/></block></block><script><block s="doDeleteFromList"><block var="index"/><block var="shoppingList"/></block></script></block><block s="doChangeVar"><l>index</l><l>1</l></block></script></block></script></block-definition><block-definition s="Search Item" type="command" category="variables"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doAsk"><l>What item are you searching for?</l></block><block s="doSetVar"><l>index</l><l>1</l></block><block s="doRepeat"><block s="reportListLength"><block var="shoppingList"/></block><script><block s="doIf"><block s="reportEquals"><block s="getLastAnswer"></block><block s="reportListItem"><block var="index"/><block var="shoppingList"/></block></block><script><block s="doSayFor"><l>That item is on your list!</l><l>2</l></block><block s="doStopThis"><l><option>this block</option></l></block></script></block><block s="doChangeVar"><l>index</l><l>1</l></block></script></block><block s="doSayFor"><l>That item is not on your list.</l><l>2</l></block></script></block-definition><block-definition s="Clear List" type="command" category="variables"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doSayFor"><l>Clearing shopping list.</l><l>2</l></block><block s="doSetVar"><l>shoppingList</l><block s="reportNewList"><list></list></block></block></script></block-definition><block-definition s="NumberofItems" type="command" category="other"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doSetVar"><l>length</l><block s="reportListLength"><block var="shoppingList"/></block></block><block s="doSayFor"><block s="reportJoinWords"><list><l>There are </l><block var="length"/><l> items on your list.</l></list></block><l>2</l></block></script></block-definition><block-definition s="Name Each Item %&apos;List&apos;" type="command" category="variables"><header></header><code></code><translations></translations><inputs><input type="%s"></input></inputs><script><block s="doSetVar"><l>List</l><block var="shoppingList"/></block><block s="doSayFor"><l>The items on your list are...</l><l>2</l></block><block s="doForEach"><l>item</l><block var="List"/><script><block s="doSayFor"><block var="item"/><l>2</l></block></script></block></script></block-definition></blocks><variables><variable name="shoppingList"><list struct="atomic" id="752">bread,cheese,milk</list></variable><variable name="index"><l>4</l></variable><variable name="length"><l>3</l></variable></variables></project><media name="U3L1-ShoppingList_Empty to Students" app="Snap! 6, https://snap.berkeley.edu" version="1"></media></snapdata>