<snapdata remixID="13507048"><project name="Lab4.5" 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="Lab4.5"><notes></notes><hidden></hidden><headers></headers><code></code><blocks><block-definition s="all but first letter of %&apos;string&apos;" type="reporter" category="operators"><comment x="0" y="0" w="199" collapsed="false">Takes a text string as input, and reports a new text string containing all but the first character of the input.</comment><header></header><code></code><translations>pt:_ sem o primeiro caractere&#xD;ca:_ sense la primera lletra&#xD;es:todos menos la primera letra de _&#xD;</translations><inputs><input type="%txt"></input></inputs><script><block s="doIf"><block s="reportIsA"><block var="string"/><l><option>list</option></l></block><script><block s="doReport"><block s="reportMap"><block s="reifyReporter"><autolambda><custom-block s="all but first letter of %txt"><l></l></custom-block></autolambda><list></list></block><block var="string"/></block></block></script><list></list></block><block s="doReport"><block s="reportJoinWords"><block s="reportCDR"><block s="reportTextSplit"><custom-block s="require nonempty %s %s"><block var="string"/><l>All but first of empty word.</l></custom-block><l><option>letter</option></l></block></block></block></block></script></block-definition><block-definition s="all but first word of %&apos;sentence&apos;" type="reporter" category="operators"><comment x="0" y="0" w="223.000001" collapsed="false">Takes a text string as input, divides it into words treating one or more spaces as a word separator (only spaces count; punctuation is part of the word) and reports a text string containing all but the first word, with one space between words and no spaces at the beginning or end. (Note: consider using SENTENCE➞LIST and processing the resulting list instead of doing recursion on sentences in text string form.  List operations are faster.)</comment><header></header><code></code><translations>pt:_ sem a primeira palavra&#xD;ca:_ sense la primera paraula&#xD;es:todas menos la primera palabra de _&#xD;</translations><inputs><input type="%txt"></input></inputs><script><block s="doIf"><block s="reportIsA"><block var="sentence"/><l><option>list</option></l></block><script><block s="doIfElse"><block s="reportListIsEmpty"><block var="sentence"/></block><script><custom-block s="error %txt"><l>All but first of empty sentence.</l></custom-block></script><script><block s="doReport"><block s="reportCDR"><block var="sentence"/></block></block></script></block></script><list></list></block><block s="doReport"><custom-block s="list $arrowRight sentence %l"><block s="reportCDR"><custom-block s="require nonempty %s %s"><custom-block s="sentence $arrowRight list %txt"><block var="sentence"/></custom-block><l>All but first of empty sentence.</l></custom-block></block></custom-block></block></script></block-definition><block-definition s="all but last letter of %&apos;string&apos;" type="reporter" category="operators"><comment x="0" y="0" w="218" collapsed="false">Takes a text string as input, and reports a new text string containing all but the last letter of the input.</comment><header></header><code></code><translations>pt:_ sem o último caractere&#xD;ca:_ sense la darrera lletra&#xD;es:todos menos la última letra de _&#xD;</translations><inputs><input type="%txt"></input></inputs><script><block s="doIf"><block s="reportIsA"><block var="string"/><l><option>list</option></l></block><script><block s="doReport"><block s="reportMap"><block s="reifyReporter"><autolambda><custom-block s="all but last letter of %txt"><l></l></custom-block></autolambda><list></list></block><block var="string"/></block></block></script><list></list></block><block s="doReport"><block s="reportJoinWords"><block s="reportListAttribute"><l><option>reverse</option></l><block s="reportCDR"><block s="reportListAttribute"><l><option>reverse</option></l><block s="reportTextSplit"><custom-block s="require nonempty %s %s"><block var="string"/><l>All but first of empty word.</l></custom-block><l><option>letter</option></l></block></block></block></block></block></block></script></block-definition><block-definition s="all but last word of %&apos;sentence&apos;" type="reporter" category="operators"><comment x="0" y="0" w="211.99999999999997" collapsed="false">Takes a text string as input, divides it into words treating one or more spaces as a word separator (only spaces count; punctuation is part of the word) and reports a text string containing all but the last word, with one space between words and no spaces at the beginning or end.  (Note: consider using SENTENCE-&gt;LIST and processing the resulting list instead of doing recursion on sentences in text string form.  List operations are faster.)</comment><header></header><code></code><translations>pt:_ sem a última palavra&#xD;ca:_ sense la darrera paraula&#xD;es:todos menos la última palabra de _&#xD;</translations><inputs><input type="%txt"></input></inputs><script><block s="doIf"><block s="reportIsA"><block var="sentence"/><l><option>list</option></l></block><script><block s="doIfElse"><block s="reportListIsEmpty"><block var="sentence"/></block><script><custom-block s="error %txt"><l>All but last of empty sentence.</l></custom-block></script><script><block s="doReport"><block s="reportListAttribute"><l><option>reverse</option></l><block s="reportCDR"><block s="reportListAttribute"><l><option>reverse</option></l><block var="sentence"/></block></block></block></block></script></block></script><list></list></block><block s="doReport"><custom-block s="list $arrowRight sentence %l"><block s="reportListAttribute"><l><option>reverse</option></l><block s="reportCDR"><block s="reportListAttribute"><l><option>reverse</option></l><custom-block s="require nonempty %s %s"><custom-block s="sentence $arrowRight list %txt"><block var="sentence"/></custom-block><l>All but last of empty sentence.</l></custom-block></block></block></block></custom-block></block></script></block-definition><block-definition s="first word of %&apos;sentence&apos;" type="reporter" category="operators"><comment x="0" y="0" w="236" collapsed="false">Takes a text string as input, divides it into words treating one or more spaces as a word separator (only spaces count; punctuation is part of the word) and reports a text string containing only the first word, with no spaces before or after it.</comment><header></header><code></code><translations>pt:a primeira palavra de _&#xD;ca:primera paraula de _&#xD;es:primera palabra de _&#xD;</translations><inputs><input type="%txt"></input></inputs><script><block s="doIfElse"><block s="reportIsA"><block var="sentence"/><l><option>list</option></l></block><script><block s="doIfElse"><block s="reportListIsEmpty"><block var="sentence"/></block><script><custom-block s="error %txt"><l>First of empty sentence.</l></custom-block></script><script><block s="doReport"><block s="reportListItem"><l>1</l><block var="sentence"/></block></block></script></block></script><script><block s="doReport"><block s="reportListItem"><l>1</l><custom-block s="require nonempty %s %s"><custom-block s="sentence $arrowRight list %txt"><block var="sentence"/></custom-block><l>First of empty sentence.</l></custom-block></block></block></script></block></script></block-definition><block-definition s="last letter of %&apos;word&apos;" type="reporter" category="operators"><comment x="0" y="0" w="260" collapsed="false">Takes a text string as input, and reports the last character in the string.</comment><header></header><code></code><translations>pt:o último caractere de _&#xD;ca:primera lletra de _&#xD;es:última letra de _&#xD;</translations><inputs><input type="%txt"></input></inputs><script><block s="doIf"><block s="reportIsA"><block var="word"/><l><option>list</option></l></block><script><block s="doReport"><block s="reportMap"><block s="reifyReporter"><autolambda><custom-block s="last letter of %txt"><l></l></custom-block></autolambda><list></list></block><block var="word"/></block></block></script><list></list></block><block s="doIf"><block s="reportVariadicEquals"><list><block s="reportTextAttribute"><l><option>length</option></l><block var="word"/></block><l>0</l></list></block><script><custom-block s="error %txt"><l>Last of empty word.</l></custom-block></script><list></list></block><block s="doReport"><block s="reportLetter"><block s="reportTextAttribute"><l><option>length</option></l><block var="word"/></block><block var="word"/></block></block></script></block-definition><block-definition s="last word of %&apos;sentence&apos;" type="reporter" category="operators"><comment x="0" y="0" w="262" collapsed="false">Takes a text string as input, divides it into words treating one or more spaces as a word separator (only spaces count; punctuation is part of the word) and reports a text string containing only the last word of the input, with no spaces before or after it.</comment><header></header><code></code><translations>pt:a última palavra de _&#xD;ca:darrera paraula de _&#xD;es:última palabra de _&#xD;</translations><inputs><input type="%txt"></input></inputs><script><block s="doIf"><block s="reportIsA"><block var="sentence"/><l><option>list</option></l></block><script><block s="doIfElse"><block s="reportListIsEmpty"><block var="sentence"/></block><script><custom-block s="error %txt"><l>Last of empty sentence.</l></custom-block></script><script><block s="doReport"><block s="reportListItem"><l><option>last</option></l><block var="sentence"/></block></block></script></block></script><list></list></block><block s="doReport"><block s="reportListItem"><l><option>last</option></l><custom-block s="require nonempty %s %s"><custom-block s="sentence $arrowRight list %txt"><block var="sentence"/></custom-block><l>Last of empty sentence.</l></custom-block></block></block></script></block-definition><block-definition s="empty word? %&apos;word&apos;" type="predicate" category="operators"><comment x="0" y="0" w="208" collapsed="false">Takes a text string as input, and reports TRUE if the string has no characters in it of any kind, otherwise false.</comment><header></header><code></code><translations>pt:a palavra _ está vazia&#xD;ca:paraula buida? _&#xD;es:¿palabra vacía? _&#xD;</translations><inputs><input type="%txt"></input></inputs><script><block s="doIf"><block s="reportIsA"><block var="word"/><l><option>list</option></l></block><script><block s="doReport"><block s="reportMap"><block s="reifyReporter"><autolambda><custom-block s="empty word? %txt"><l></l></custom-block></autolambda><list></list></block><block var="word"/></block></block></script><list></list></block><block s="doReport"><block s="reportVariadicEquals"><list><block s="reportTextAttribute"><l><option>length</option></l><block var="word"/></block><l>0</l></list></block></block></script></block-definition><block-definition s="empty sentence? %&apos;sentence&apos;" type="predicate" category="operators"><comment x="0" y="0" w="221" collapsed="false">Takes a text string as input, and reports TRUE if the input contains no characters other than spaces (therefore, no words when the string is considered as a sentence), otherwise FALSE.</comment><header></header><code></code><translations>pt:a frase _ está vazia&#xD;ca:frase buida? _&#xD;es:¿oración vacía? _&#xD;</translations><inputs><input type="%txt"></input></inputs><script><block s="doIf"><block s="reportIsA"><block var="sentence"/><l><option>list</option></l></block><script><block s="doReport"><block s="reportListIsEmpty"><block var="sentence"/></block></block></script><list></list></block><block s="doReport"><block s="reportListIsEmpty"><custom-block s="sentence $arrowRight list %txt"><block var="sentence"/></custom-block></block></block></script></block-definition><block-definition s="join words %&apos;words&apos;" type="reporter" category="operators"><comment x="0" y="0" w="230.66666666666666" collapsed="false">Like JOIN, takes any number of words (text strings) and reports a sentence with its inputs concatenated, but inserts a blank space between the inputs.&#xD;Consider using SENTENCE (Lists palette) instead.</comment><header></header><code></code><translations>de:füge Wörter zusammen _&#xD;ca:uneix les paraules _&#xD;es:unir las palabras _&#xD;fr:fusionne les mots _&#xD;pt:uma frase com as palavras _&#xD;</translations><inputs><input type="%mult%txt"></input></inputs><script><block s="doIf"><block s="reportListIsEmpty"><block var="words"/></block><script><block s="doReport"><l></l></block></script><list></list></block><block s="doDeclareVariables"><list><l>first</l><l>bf</l></list></block><block s="doSetVar"><l>first</l><block s="reportIfElse"><block s="reportIsA"><block s="reportListItem"><l>1</l><block var="words"/></block><l><option>list</option></l></block><custom-block s="join words %mult%txt"><block s="reportListItem"><l>1</l><block var="words"/></block></custom-block><block s="reportListItem"><l>1</l><block var="words"/></block></block></block><block s="doSetVar"><l>bf</l><custom-block s="join words %mult%txt"><block s="reportCDR"><block var="words"/></block></custom-block></block><block s="doIf"><custom-block s="empty sentence? %txt"><block var="bf"/></custom-block><script><block s="doReport"><block var="first"/></block></script><list></list></block><block s="doIf"><custom-block s="empty sentence? %txt"><block var="first"/></custom-block><script><block s="doReport"><block var="bf"/></block></script><list></list></block><block s="doReport"><block s="reportJoinWords"><list><block var="first"/><l> </l><block var="bf"/></list></block></block></script></block-definition><block-definition s="list $arrowRight sentence %&apos;data&apos;" type="reporter" category="operators"><comment x="0" y="0" w="165.33333333333334" collapsed="false">Takes a sentence in list form and reports the sentence as a text string.</comment><header></header><code></code><translations>de:Liste $arrowRight Satz _&#xD;ca:llista $arrowRight frase _&#xD;es:lista $arrowRight frase _&#xD;fr:liste $arrowRight phrase _&#xD;pt:uma frase com as palavras em _&#xD;</translations><inputs><input type="%l"></input></inputs><script><block s="doReport"><custom-block s="join words %mult%txt"><block var="data"/></custom-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="reportKeep"><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>word</option></l></block></block></block></script></block-definition><block-definition s="word $arrowRight list %&apos;word&apos;" type="reporter" category="operators"><comment x="0" y="0" w="146.42857142857144" collapsed="false">report a list in which each item is one letter from the input word</comment><header></header><code></code><translations>de:Wort $arrowRight Liste _&#xD;ca:paraula $arrowRight llista _&#xD;es:palabra $arrowRight lista _&#xD;fr:mot $arrowRight liste _&#xD;pt:uma lista com os caracteres da palavra _&#xD;</translations><inputs><input type="%txt"></input></inputs><script><block s="doIf"><block s="reportIsA"><block var="word"/><l><option>list</option></l></block><script><block s="doReport"><block s="reportMap"><block s="reifyReporter"><autolambda><custom-block s="word $arrowRight list %txt"><l></l></custom-block></autolambda><list></list></block><block var="word"/></block></block></script><list></list></block><block s="doReport"><block s="reportTextSplit"><block var="word"/><l><option>letter</option></l></block></block></script></block-definition><block-definition s="list $arrowRight word %&apos;list&apos;" type="reporter" category="operators"><comment x="0" y="0" w="158.57142857142858" collapsed="false">join all the items of the input list&#xD;into a single word, and report it</comment><header></header><code></code><translations>de:Liste $arrowRight Wort _&#xD;ca:llista $arrowRight paraula _&#xD;es:lista $arrowRight palabra _&#xD;fr:liste $arrowRight mot _&#xD;pt:uma palavra com os caracteres em _&#xD;</translations><inputs><input type="%l"></input></inputs><script><block s="doIf"><block s="reportListIsEmpty"><block var="list"/></block><script><block s="doReport"><block var="list"/></block></script><list></list></block><block s="doIf"><block s="reportVariadicEquals"><list><block s="reportFindFirst"><block s="reifyPredicate"><autolambda><block s="reportIsA"><l></l><l><option>list</option></l></block></autolambda><list></list></block><block var="list"/></block><l></l></list></block><script><block s="doReport"><block s="reportJoinWords"><block var="list"/></block></block></script><list></list></block><block s="doReport"><block s="reportMap"><block s="reifyReporter"><autolambda><block s="reportIfElse"><block s="reportIsA"><l></l><l><option>list</option></l></block><block s="reportNewList"><list><custom-block s="list $arrowRight word %l"><l/></custom-block></list></block><l></l></block></autolambda><list></list></block><block var="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;es:oración _&#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="error %&apos;msg&apos;" type="command" category="control"><header></header><code></code><translations>pt:lança o erro _&#xD;</translations><inputs><input type="%txt"></input></inputs><script><block s="doApplyExtension"><l>err_error(msg)</l><list><block var="msg"/></list></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).</comment><header></header><code></code><translations>ca:notació textual de _&#xD;es:imprimible _&#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="reportCombine"><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="require nonempty %&apos;text&apos; %&apos;message&apos;" type="reporter" category="operators" helper="true"><comment x="0" y="0" w="220" collapsed="false">Helper function for word/sentence library.&#xD;Reports its first input, unless that input is empty, in which case it gives its second input as an error message.</comment><header></header><code></code><translations>es:requerir no vacío _ _&#xD;</translations><inputs><input type="%s"></input><input type="%s"></input></inputs><script><block s="doIfElse"><block s="reportIfElse"><block s="reportIsA"><block var="text"/><l><option>list</option></l></block><block s="reportListIsEmpty"><block var="text"/></block><block s="reportVariadicEquals"><list><block s="reportTextAttribute"><l><option>length</option></l><block var="text"/></block><l>0</l></list></block></block><script><custom-block s="error %txt"><block var="message"/></custom-block></script><script><block s="doReport"><block var="text"/></block></script></block></script></block-definition><block-definition s="first letter of %&apos;word&apos;" type="reporter" category="operators"><comment x="0" y="0" w="260" collapsed="false">Takes a text string as input, and reports the first character in the string.</comment><header></header><code></code><translations>pt:a primeira palavra de _&#xD;ca:primera lletra de _&#xD;es:primera letra de _&#xD;</translations><inputs><input type="%txt"></input></inputs><script><block s="doIfElse"><block s="reportIsA"><block var="word"/><l><option>list</option></l></block><script><block s="doReport"><block s="reportMap"><block s="reifyReporter"><autolambda><custom-block s="first letter of %txt"><l></l></custom-block></autolambda><list></list></block><block var="word"/></block></block></script><script><block s="doReport"><block s="reportLetter"><l>1</l><custom-block s="require nonempty %s %s"><block var="word"/><l>First of empty word.</l></custom-block></block></block></script></block></script></block-definition><block-definition s="%&apos;List&apos; Contains %&apos;word&apos;" type="command" category="operators"><header></header><code></code><translations></translations><inputs><input type="%l"></input><input type="%s"></input></inputs><script><block s="doFor"><l>i</l><l>1</l><block s="reportListAttribute"><l><option>length</option></l><block var="List"/></block><script><block s="doIf"><block s="reportVariadicEquals"><list><block s="reportListItem"><block var="i"/><block var="List"/></block><block var="word"/></list></block><script><block s="doSayFor"><block s="reportBoolean"><l><bool>true</bool></l></block><l>2</l></block><block s="doStopThis"><l><option>this block</option></l></block></script><list></list></block></script></block><block s="doSayFor"><block s="reportBoolean"><l><bool>false</bool></l></block><l>2</l></block></script></block-definition><block-definition s="Index of %&apos;List&apos; %&apos;Value&apos;" type="reporter" category="operators"><header></header><code></code><translations></translations><inputs><input type="%l"></input><input type="%s"></input></inputs><script><block s="doReport"><block s="reportIfElse"><block s="reportVariadicGreaterThan"><list><block s="reportListIndex"><block var="Value"/><block var="List"/></block><l>0</l></list></block><block s="reportListIndex"><block var="Value"/><block var="List"/></block><l>-1</l></block></block></script></block-definition><block-definition s="First e-word %&apos;List&apos;" type="reporter" category="operators"><header></header><code></code><translations></translations><inputs><input type="%l"></input></inputs><script><block s="doDeclareVariables"><list><l>WordInList</l></list></block><block s="doSetVar"><l>WordInList</l><l>1</l></block><block s="doForEach"><l>item</l><block var="List"/><script><block s="doFor"><l>i</l><l>1</l><block s="reportTextAttribute"><l><option>length</option></l><block s="reportListItem"><block var="WordInList"/><block var="List"/></block></block><script><block s="doIf"><block s="reportVariadicEquals"><list><block s="reportLetter"><block var="i"/><block s="reportListItem"><block var="WordInList"/><block var="List"/></block></block><l>e</l></list></block><script><block s="doReport"><block s="reportListItem"><block var="WordInList"/><block var="List"/></block></block></script><list></list></block></script></block><block s="doChangeVar"><l>WordInList</l><l>1</l></block></script></block><block s="doReport"><l></l></block></script></block-definition><block-definition s="First word that starts with %&apos;List&apos; %&apos;Letter&apos;" type="reporter" category="operators"><header></header><code></code><translations></translations><inputs><input type="%l"></input><input type="%s"></input></inputs><script><block s="doDeclareVariables"><list><l>Item</l></list></block><block s="doSetVar"><l>Item</l><l>0</l></block><block s="doForEach"><l>item</l><block var="List"/><script><block s="doChangeVar"><l>Item</l><l>1</l></block><block s="doIf"><block s="reportVariadicEquals"><list><custom-block s="first letter of %txt"><block s="reportListItem"><block var="Item"/><block var="List"/></block></custom-block><block var="Letter"/></list></block><script><block s="doReport"><block s="reportListItem"><block var="Item"/><block var="List"/></block></block></script><list></list></block></script></block><block s="doReport"><l></l></block></script></block-definition></blocks><stage name="Stage" 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