<snapdata remixID="14978645"><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;" 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%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 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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="i" 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