<snapdata remixID="14895390"><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 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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" 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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 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