<snapdata remixID="12142520"><project name="U3L1-ShoppingList_Empty to Students" app="Snap! 7, 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></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 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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 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