<snapdata remixID="13144040"><project name="U3L1-ShoppingList_Empty to Students" app="Snap! 9.0, 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="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><block-definition s="$flash sort %&apos;data&apos; ordering with %&apos;function&apos;" type="reporter" category="lists"><comment x="0" y="0" w="161.14285714285708" collapsed="false">Reports a sorted version of the list in its first input slot, using the comparison function in the second input slot.  For a list of numbers, using &lt; as the comparison function will sort from low to high; using &gt; will sort from high to low.</comment><header></header><code></code><translations>ca:ordena _ segons criteri _&#xD;</translations><inputs><input type="%l"></input><input type="%predRing"></input></inputs><script><block s="doReport"><block s="reportApplyExtension"><l>lst_sort(list, fn)</l><list><block var="data"/><block var="function"/></list></block></block></script></block-definition><block-definition s="$flash assoc %&apos;key&apos; %&apos;a-list&apos;" type="reporter" category="lists"><comment x="0" y="0" w="289.3333333333333" collapsed="false">The second input is an &quot;association list,&quot; a list of two-item lists.  Each of those smaller lists has a &quot;key&quot; as its first item and a &quot;value&quot; as its second.  ASSOC reports the first key-value pair in the association list whose key matches the first input.</comment><header></header><code></code><translations>ca:associació _ _&#xD;</translations><inputs><input type="%s"></input><input type="%l"></input></inputs><script><block s="doReport"><block s="reportAtomicFindFirst"><block s="reifyPredicate"><autolambda><block s="reportVariadicEquals"><list><block var="key"/><block s="reportListItem"><l>1</l><l/></block></list></block></autolambda><list></list></block><block var="a-list"/></block></block></script></block-definition><block-definition s="%&apos;#&apos; for each %&apos;item&apos; of %&apos;data&apos; %&apos;action&apos;" type="command" category="lists"><comment x="0" y="0" w="228.57142857142858" collapsed="false">This block carries out the given script for each item of the given list, like the primitive FOR EACH.&#xD;&#xD;What&apos;s different is that it provides the # variable, which will contain the item number in the list of each item in turn, 1 while processing item 1, and so on.</comment><header></header><code></code><translations>ca:_ per cada _ de _ _&#xD;</translations><inputs><input type="%upvar"></input><input type="%upvar"></input><input type="%l"></input><input type="%ca"></input></inputs><script><block s="doForEach"><l>inner item</l><block var="data"/><script><block s="doSetVar"><l>item</l><block var="inner item"/></block><block s="doChangeVar"><l>#</l><l>1</l></block><block s="doRun"><block var="action"/><list></list></block></script></block></script></block-definition><block-definition s="☠︎ linked? %&apos;data&apos;" type="predicate" category="lists" helper="true"><header></header><code></code><translations></translations><inputs><input type="%l"></input></inputs><script><block s="doReport"><block s="reportApplyExtension"><l>lst_linked(list)</l><list><block var="data"/></list></block></block></script></block-definition><block-definition s="☠︎ link %&apos;data&apos;" type="reporter" category="lists" helper="true"><header></header><code></code><translations></translations><inputs><input type="%l"></input></inputs><script><block s="doIf"><block s="reportListIsEmpty"><block var="data"/></block><script><block s="doReport"><block var="data"/></block></script><list></list></block><block s="doReport"><block s="reportCONS"><block s="reportListItem"><l>1</l><block var="data"/></block><block s="reportCDR"><block var="data"/></block></block></block></script></block-definition><block-definition s="printable %&apos;data&apos;" type="reporter" category="lists"><comment x="0" y="0" w="188.66666666666666" collapsed="false">Takes a (possibly deep) list as input,&#xD;and reports a human-readable text form &#xD;of the list (namely, Lisp notation).&#xD;&#xD;Will not work on circular lists.</comment><header></header><code></code><translations>ca:notació textual de _&#xD;</translations><inputs><input type="%l"></input></inputs><script><block s="doIf"><block s="reportNot"><block s="reportIsA"><block var="data"/><l><option>list</option></l></block></block><script><block s="doReport"><block var="data"/></block></script><list></list></block><block s="doIf"><block s="reportListIsEmpty"><block var="data"/></block><script><block s="doReport"><l>()</l></block></script><list></list></block><block s="doReport"><block s="reportJoinWords"><list><l>(</l><block s="reportAtomicCombine"><block s="reportMap"><block s="reifyReporter"><autolambda><custom-block s="printable %l"><l/></custom-block></autolambda><list></list></block><block var="data"/></block><block s="reifyReporter"><autolambda><block s="reportJoinWords"><list><l></l><l> </l><l></l></list></block></autolambda><list></list></block></block><l>)</l></list></block></block></script></block-definition><block-definition s="sentence %&apos;phrase&apos;" type="reporter" category="lists"><comment x="0" y="0" w="302.6666666666667" collapsed="false">SENTENCE is the main constructor for sentences, represented&#xD;as lists of words.  It takes zero or more inputs, each of which can&#xD;be either a list or a text string.  If a list, the input is assumed to be&#xD;a list of words.  If a text string, it is converted to a list of words using&#xD;SENTENCE→LIST.  Then all the lists of words are appended to form a new list of words.&#xD;&#xD;If the inputs are lists of lists rather than lists of words, SENTENCE,&#xD;like APPEND, does only one level of flattening, reporting a list of&#xD;all the items of all the input lists.</comment><header></header><code></code><translations>ca:frase _&#xD;</translations><inputs><input type="%mult%s"></input></inputs><script><block s="doReport"><block s="reportConcatenatedLists"><block s="reportMap"><block s="reifyReporter"><autolambda><block s="reportIfElse"><block s="reportIsA"><l></l><l><option>list</option></l></block><l></l><custom-block s="sentence $arrowRight list %txt"><l></l></custom-block></block></autolambda><list></list></block><block var="phrase"/></block></block></block></script></block-definition><block-definition s="$flash zip %&apos;lists&apos;" type="reporter" category="lists"><comment x="0" y="0" w="192" collapsed="false">ZIP takes any number of lists as inputs.  The lists should all be the same length.  ZIP reports a list of lists in which the first item is a list of all the first items, the second item is a list of all the second items, etc.&#xD;Viewing the inputs as the rows of a matrix, ZIP reports its transpose.</comment><header></header><code></code><translations></translations><inputs><input type="%mult%l"></input></inputs><script><block s="doReport"><block s="reportListAttribute"><l><option>columns</option></l><block var="lists"/></block></block></script></block-definition><block-definition s="%&apos;x&apos;" type="reporter" category="lists"><comment x="0" y="0" w="105.33333333333333" collapsed="false">The identity function reports its input.</comment><header></header><code></code><translations></translations><inputs><input type="%s"></input></inputs><script><block s="doReport"><block var="x"/></block></script></block-definition><block-definition s="multimap %&apos;function&apos; over %&apos;lists&apos;" type="reporter" category="lists"><comment x="0" y="0" w="267.3333333333333" collapsed="false">Takes as input a function of N inputs and N lists.&#xD;The function is called with item 1 of all the lists as its inputs, with item 2 of all the lists as its inputs, and so on.  (The lists should all be the same length.)</comment><header></header><code></code><translations>ca:multi-mapeja _ sobre _&#xD;</translations><inputs><input type="%repRing"></input><input type="%mult%l"></input></inputs><script><block s="doReport"><block s="reportMap"><block s="reifyReporter"><autolambda><block s="evaluate"><block var="function"/><custom-block s="%s"><l></l></custom-block></block></autolambda><list></list></block><custom-block s="$flash zip %mult%l"><block var="lists"/></custom-block></block></block></script></block-definition><block-definition s="sentence $arrowRight list %&apos;text&apos;" type="reporter" category="operators"><comment x="0" y="0" w="196" collapsed="false">Takes a sentence in text string form and reports the sentence as a list of its words.</comment><header></header><code></code><translations>de:Satz $arrowRight Liste _&#xD;ca:frase $arrowRight llista _&#xD;es:frase $arrowRight lista _&#xD;fr:phrase $arrowRight liste _&#xD;pt:uma lista com as palavras da frase _&#xD;</translations><inputs><input type="%txt"></input></inputs><script><block s="doReport"><block s="reportAtomicKeep"><block s="reifyPredicate"><autolambda><block s="reportNot"><block s="reportVariadicEquals"><list><block s="reportTextAttribute"><l><option>length</option></l><l></l></block><l>0</l></list></block></block></autolambda><list></list></block><block s="reportTextSplit"><block var="text"/><l><option>whitespace</option></l></block></block></block></script></block-definition><block-definition s="addItems" type="command" category="other"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doAsk"><l>What would you like to add to your cart?</l></block><block s="doInsertInList"><block s="getLastAnswer"></block><l>1</l><block var="cart"/></block><block s="doSayFor"><l>Item added to cart</l><l>2</l></block></script></block-definition><block-definition s="searchItems" type="command" category="other"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doAsk"><l>Are you seaching for an item?</l></block><block s="doIfElse"><block s="reportVariadicEquals"><list><block s="getLastAnswer"></block><l>yes</l></list></block><script><block s="doAsk"><l>What item are you looking for?</l></block><block s="doIfElse"><block s="reportListContainsItem"><block var="cart"/><block s="getLastAnswer"></block></block><script><block s="doSayFor"><l>Item is in the cart</l><l>2</l></block></script><script><block s="doSayFor"><l>Item not in the cart</l><l>2</l></block></script></block></script><script><block s="doSayFor"><l>Have a great day!!</l><l>2</l></block></script></block></script></block-definition><block-definition s="clearList" type="command" category="other"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doAsk"><l>Do you want to clear the cart?</l></block><block s="doIf"><block s="reportVariadicEquals"><list><block s="getLastAnswer"></block><l>yes</l></list></block><script><block s="doSetVar"><l>cart</l><block s="reportNewList"><list></list></block></block><block s="doSayFor"><l>Cart cleared</l><l>2</l></block></script><list></list></block></script></block-definition><block-definition s="deleteItem" type="command" category="other"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doAsk"><l>What item would you like to delete</l></block><block s="doIfElse"><block s="reportListContainsItem"><block var="cart"/><block s="getLastAnswer"></block></block><script><block s="doDeleteFromList"><block s="getLastAnswer"></block><block var="cart"/></block><block s="doSayFor"><l>Item deleted</l><l>2</l></block></script><script><block s="doSayFor"><l>Item not found</l><l>2</l></block><block s="doSayFor"><l>Item cannot be deleted </l><l>2</l></block></script></block></script></block-definition></blocks><stage name="Stage" width="480" 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