<snapdata remixID="12196611"><project name="U2L2.3 Caesar Cipher Set Up" 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="U2L2.3 Caesar Cipher Set Up"><notes></notes><hidden></hidden><headers></headers><code></code><blocks><block-definition s="cases: if %&apos;test&apos; 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%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="doIf"><block s="reportEquals"><l></l><block s="reportListItem"><l>1</l><block var="words"/></block></block><script><block s="doReport"><custom-block s="join words %mult%txt"><block s="reportCDR"><block var="words"/></block></custom-block></block></script></block><block s="doIf"><block s="reportEquals"><l></l><block s="reportListItem"><l>2</l><block var="words"/></block></block><script><block s="doReport"><custom-block s="join words %mult%txt"><block s="reportCONS"><block s="reportListItem"><l>1</l><block var="words"/></block><block s="reportCDR"><block s="reportCDR"><block var="words"/></block></block></block></custom-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><scripts><script x="229.000003" y="196.77778077777774"><block s="reportJoinWords"><list><l></l><l></l></list></block></script></scripts></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 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></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;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; for %&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="list $arrowRight word %&apos;list&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"><block s="reportJoinWords"><block var="list"/></block></block></script></block></script></block-definition><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></translations><inputs><input type="%txt"></input></inputs><script><block s="doDeclareVariables"><list><l>result</l><l>i</l></list></block><block s="doWarp"><script><block s="doIf"><block s="reportEquals"><block s="reportStringSize"><block var="string"/></block><l>0</l></block><script><block s="doReport"><block s="reportListItem"><l>1</l><block s="reportVariadicSum"><list><l>0</l><l>0</l></list></block></block></block></script></block><block s="doSetVar"><l>result</l><l></l></block><block s="doSetVar"><l>i</l><l>2</l></block><block s="doUntil"><block s="reportGreaterThan"><block var="i"/><block s="reportStringSize"><block var="string"/></block></block><script><block s="doSetVar"><l>result</l><block s="reportJoinWords"><list><block var="result"/><block s="reportLetter"><block var="i"/><block var="string"/></block></list></block></block><block s="doChangeVar"><l>i</l><l>1</l></block></script></block><block s="doReport"><block var="result"/></block></script></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-&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></translations><inputs><input type="%txt"></input></inputs><script><block s="doDeclareVariables"><list><l>index</l><l>bf</l></list></block><block s="doWarp"><script><block s="doSetVar"><l>bf</l><l></l></block><block s="doSetVar"><l>index</l><l>1</l></block><block s="doIf"><block s="reportEquals"><block s="reportStringSize"><block var="sentence"/></block><l>0</l></block><script><block s="doReport"><block s="reportListItem"><l>1</l><block s="reportJoinWords"><list><l>empty </l><l>sentence</l></list></block></block></block></script></block><block s="doUntil"><block s="reportOr"><block s="reportEquals"><block var="index"/><block s="reportStringSize"><block var="sentence"/></block></block><block s="reportNot"><block s="reportEquals"><block s="reportLetter"><block var="index"/><block var="sentence"/></block><l> </l></block></block></block><script><block s="doChangeVar"><l>index</l><l>1</l></block></script></block><block s="doIf"><block s="reportEquals"><block s="reportLetter"><block var="index"/><block var="sentence"/></block><l> </l></block><script><block s="doReport"><block s="reportListItem"><l>1</l><block s="reportJoinWords"><list><l>empty </l><l>sentence</l></list></block></block></block></script></block><block s="doUntil"><block s="reportOr"><block s="reportEquals"><block var="index"/><block s="reportStringSize"><block var="sentence"/></block></block><block s="reportEquals"><block s="reportLetter"><block var="index"/><block var="sentence"/></block><l> </l></block></block><script><block s="doChangeVar"><l>index</l><l>1</l></block></script></block><block s="doIf"><block s="reportEquals"><block var="index"/><block s="reportStringSize"><block var="sentence"/></block></block><script><block s="doReport"><l></l></block></script></block><block s="doUntil"><block s="reportOr"><block s="reportEquals"><block var="index"/><block s="reportStringSize"><block var="sentence"/></block></block><block s="reportNot"><block s="reportEquals"><block s="reportLetter"><block var="index"/><block var="sentence"/></block><l> </l></block></block></block><script><block s="doChangeVar"><l>index</l><l>1</l></block></script></block><block s="doIf"><block s="reportEquals"><block s="reportLetter"><block var="index"/><block var="sentence"/></block><l> </l></block><script><block s="doReport"><l></l></block></script></block><block s="doUntil"><block s="reportGreaterThan"><block var="index"/><block s="reportStringSize"><block var="sentence"/></block></block><script><block s="doSetVar"><l>bf</l><block s="reportJoinWords"><list><block var="bf"/><block s="reportLetter"><block var="index"/><block var="sentence"/></block></list></block></block><block s="doChangeVar"><l>index</l><l>1</l></block></script></block><block s="doReport"><block var="bf"/></block></script></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></translations><inputs><input type="%txt"></input></inputs><script><block s="doDeclareVariables"><list><l>result</l><l>i</l></list></block><block s="doWarp"><script><block s="doIf"><block s="reportEquals"><block s="reportStringSize"><block var="string"/></block><l>0</l></block><script><block s="doReport"><block s="reportListItem"><l>1</l><block s="reportVariadicSum"><list><l>0</l><l>0</l></list></block></block></block></script></block><block s="doSetVar"><l>result</l><l></l></block><block s="doSetVar"><l>i</l><l>1</l></block><block s="doUntil"><block s="reportEquals"><block var="i"/><block s="reportStringSize"><block var="string"/></block></block><script><block s="doSetVar"><l>result</l><block s="reportJoinWords"><list><block var="result"/><block s="reportLetter"><block var="i"/><block var="string"/></block></list></block></block><block s="doChangeVar"><l>i</l><l>1</l></block></script></block><block s="doReport"><block var="result"/></block></script></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="212" 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></translations><inputs><input type="%txt"></input></inputs><script><block s="doDeclareVariables"><list><l>index</l><l>bl</l></list></block><block s="doWarp"><script><block s="doSetVar"><l>bl</l><l></l></block><block s="doSetVar"><l>index</l><block s="reportStringSize"><block var="sentence"/></block></block><block s="doIf"><block s="reportEquals"><block s="reportStringSize"><block var="sentence"/></block><l>0</l></block><script><block s="doReport"><block s="reportListItem"><l>1</l><block s="reportJoinWords"><list><l>empty </l><l>sentence</l></list></block></block></block></script></block><block s="doUntil"><block s="reportOr"><block s="reportEquals"><block var="index"/><l>1</l></block><block s="reportNot"><block s="reportEquals"><block s="reportLetter"><block var="index"/><block var="sentence"/></block><l> </l></block></block></block><script><block s="doChangeVar"><l>index</l><l>-1</l></block></script></block><block s="doIf"><block s="reportEquals"><block s="reportLetter"><block var="index"/><block var="sentence"/></block><l> </l></block><script><block s="doReport"><block s="reportListItem"><l>1</l><block s="reportJoinWords"><list><l>empty </l><l>sentence</l></list></block></block></block></script></block><block s="doUntil"><block s="reportOr"><block s="reportEquals"><block var="index"/><l>1</l></block><block s="reportEquals"><block s="reportLetter"><block var="index"/><block var="sentence"/></block><l> </l></block></block><script><block s="doChangeVar"><l>index</l><l>-1</l></block></script></block><block s="doIf"><block s="reportEquals"><block var="index"/><l>1</l></block><script><block s="doReport"><l></l></block></script></block><block s="doUntil"><block s="reportOr"><block s="reportEquals"><block var="index"/><l>1</l></block><block s="reportNot"><block s="reportEquals"><block s="reportLetter"><block var="index"/><block var="sentence"/></block><l> </l></block></block></block><script><block s="doChangeVar"><l>index</l><l>-1</l></block></script></block><block s="doIf"><block s="reportEquals"><block s="reportLetter"><block var="index"/><block var="sentence"/></block><l> </l></block><script><block s="doReport"><l></l></block></script></block><block s="doUntil"><block s="reportLessThan"><block var="index"/><l>1</l></block><script><block s="doSetVar"><l>bl</l><block s="reportJoinWords"><list><block s="reportLetter"><block var="index"/><block var="sentence"/></block><block var="bl"/></list></block></block><block s="doChangeVar"><l>index</l><l>-1</l></block></script></block><block s="doReport"><block var="bl"/></block></script></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></translations><inputs><input type="%txt"></input></inputs><script><block s="doDeclareVariables"><list><l>index</l><l>first</l></list></block><block s="doWarp"><script><block s="doSetVar"><l>first</l><l></l></block><block s="doSetVar"><l>index</l><l>1</l></block><block s="doIf"><block s="reportEquals"><block s="reportStringSize"><block var="sentence"/></block><l>0</l></block><script><block s="doReport"><block s="reportListItem"><l>1</l><block s="reportJoinWords"><list><l>empty </l><l>sentence</l></list></block></block></block></script></block><block s="doUntil"><block s="reportOr"><block s="reportEquals"><block var="index"/><block s="reportStringSize"><block var="sentence"/></block></block><block s="reportNot"><block s="reportEquals"><block s="reportLetter"><block var="index"/><block var="sentence"/></block><l> </l></block></block></block><script><block s="doChangeVar"><l>index</l><l>1</l></block></script></block><block s="doIf"><block s="reportEquals"><block s="reportLetter"><block var="index"/><block var="sentence"/></block><l> </l></block><script><block s="doReport"><block s="reportListItem"><l>1</l><block s="reportJoinWords"><list><l>empty </l><l>sentence</l></list></block></block></block></script></block><block s="doUntil"><block s="reportOr"><block s="reportEquals"><block var="index"/><block s="reportStringSize"><block var="sentence"/></block></block><block s="reportEquals"><block s="reportLetter"><block var="index"/><block var="sentence"/></block><l> </l></block></block><script><block s="doSetVar"><l>first</l><block s="reportJoinWords"><list><block var="first"/><block s="reportLetter"><block var="index"/><block var="sentence"/></block></list></block></block><block s="doChangeVar"><l>index</l><l>1</l></block></script></block><block s="doIf"><block s="reportNot"><block s="reportEquals"><block s="reportLetter"><block var="index"/><block var="sentence"/></block><l> </l></block></block><script><block s="doSetVar"><l>first</l><block s="reportJoinWords"><list><block var="first"/><block s="reportLetter"><block var="index"/><block var="sentence"/></block></list></block></block></script></block><block s="doReport"><block var="first"/></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></translations><inputs><input type="%txt"></input></inputs><script><block s="doReport"><block s="reportLetter"><block s="reportStringSize"><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></translations><inputs><input type="%txt"></input></inputs><script><block s="doDeclareVariables"><list><l>index</l><l>last</l></list></block><block s="doWarp"><script><block s="doSetVar"><l>last</l><l></l></block><block s="doSetVar"><l>index</l><block s="reportStringSize"><block var="sentence"/></block></block><block s="doIf"><block s="reportEquals"><block s="reportStringSize"><block var="sentence"/></block><l>0</l></block><script><block s="doReport"><block s="reportListItem"><l>1</l><block s="reportJoinWords"><list><l>empty </l><l>sentence</l></list></block></block></block></script></block><block s="doUntil"><block s="reportOr"><block s="reportEquals"><block var="index"/><l>1</l></block><block s="reportNot"><block s="reportEquals"><block s="reportLetter"><block var="index"/><block var="sentence"/></block><l> </l></block></block></block><script><block s="doChangeVar"><l>index</l><l>-1</l></block></script></block><block s="doIf"><block s="reportEquals"><block s="reportLetter"><block var="index"/><block var="sentence"/></block><l> </l></block><script><block s="doReport"><block s="reportListItem"><l>1</l><block s="reportJoinWords"><list><l>empty </l><l>sentence</l></list></block></block></block></script></block><block s="doUntil"><block s="reportOr"><block s="reportEquals"><block var="index"/><l>1</l></block><block s="reportEquals"><block s="reportLetter"><block var="index"/><block var="sentence"/></block><l> </l></block></block><script><block s="doSetVar"><l>last</l><block s="reportJoinWords"><list><block s="reportLetter"><block var="index"/><block var="sentence"/></block><block var="last"/></list></block></block><block s="doChangeVar"><l>index</l><l>-1</l></block></script></block><block s="doIf"><block s="reportNot"><block s="reportEquals"><block s="reportLetter"><block var="index"/><block var="sentence"/></block><l> </l></block></block><script><block s="doSetVar"><l>last</l><block s="reportJoinWords"><list><block s="reportLetter"><block var="index"/><block var="sentence"/></block><block var="last"/></list></block></block></script></block><block s="doReport"><block var="last"/></block></script></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></translations><inputs><input type="%txt"></input></inputs><script><block s="doReport"><block s="reportEquals"><block s="reportStringSize"><block var="word"/></block><l>0</l></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></translations><inputs><input type="%txt"></input></inputs><script><block s="doDeclareVariables"><list><l>index</l></list></block><block s="doSetVar"><l>index</l><l>1</l></block><block s="doIf"><block s="reportEquals"><block s="reportStringSize"><block var="sentence"/></block><l>0</l></block><script><block s="doReport"><block s="reportBoolean"><l><bool>true</bool></l></block></block></script></block><block s="doUntil"><block s="reportOr"><block s="reportEquals"><block var="index"/><block s="reportStringSize"><block var="sentence"/></block></block><block s="reportNot"><block s="reportEquals"><block s="reportLetter"><block var="index"/><block var="sentence"/></block><l> </l></block></block></block><script><block s="doChangeVar"><l>index</l><l>1</l></block></script></block><block s="doReport"><block s="reportEquals"><block s="reportLetter"><block var="index"/><block var="sentence"/></block><l> </l></block></block></script></block-definition><block-definition s="make into ceaser cipher %&apos;word&apos;" type="command" category="operators"><header></header><code></code><translations></translations><inputs><input type="%s"></input></inputs><script><block s="doFor"><l>i</l><l>1</l><block s="reportStringSize"><block s="getLastAnswer"></block></block><script><block s="doSetVar"><l>cesar cipher letter</l><block s="reportVariadicSum"><list><block var="shift"/><block s="reportUnicode"><block s="reportLetter"><block var="i"/><block s="getLastAnswer"></block></block></block></list></block></block><block s="doSayFor"><block s="reportUnicodeAsLetter"><block var="cesar cipher letter"/></block><l>2</l></block></script></block></script></block-definition></blocks><stage name="Stage" width="480" height="360" costume="0" color="255,255,255,1" tempo="60" threadsafe="false" penlog="false" volume="100" pan="0" lines="round" ternary="true" hyperops="true" codify="false" inheritance="false" sublistIDs="false" 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struct="atomic" id="1463"></list></costumes><sounds><list struct="atomic" id="1464"></list></sounds><variables></variables><blocks></blocks><scripts></scripts><sprites select="1"><sprite name="Sprite" idx="1" x="1.063982685278006" y="-1.3080848927588136" heading="90" scale="1" volume="100" pan="0" rotation="1" draggable="true" costume="0" color="80,80,80,1" pen="tip" id="1469"><costumes><list struct="atomic" id="1470"></list></costumes><sounds><list struct="atomic" id="1471"></list></sounds><blocks></blocks><variables></variables><scripts><script x="10" y="10"><block s="receiveGo"></block><block s="doSayFor"><l>Hello I will tell you the Ceasar Cipher of your name. </l><l>2</l></block><block s="doAsk"><l>What would you like the shift to be?</l></block><block s="doSetVar"><l>shift</l><block s="getLastAnswer"></block></block><block s="doAsk"><l>what&apos;s your name?</l></block><custom-block s="make into ceaser cipher %s"><block s="getLastAnswer"></block></custom-block><block s="doSayFor"><l>If you give me a code in Cesar Cipher I can decode it for you. </l><l>2</l></block><block s="doAsk"><l>What is the shift of the code? </l></block><block s="doSetVar"><l>shift</l><block s="getLastAnswer"></block></block><block s="doAsk"><l>What is the code? </l></block><block s="doFor"><l>i</l><l>1</l><block s="reportStringSize"><block s="getLastAnswer"></block></block><script><block s="doSetVar"><l>cesar cipher letter</l><block s="reportDifference"><block s="reportUnicode"><block s="reportLetter"><block var="i"/><block s="getLastAnswer"></block></block></block><block var="shift"/></block></block><block s="doSayFor"><block s="reportUnicodeAsLetter"><block var="cesar cipher letter"/></block><l>2</l></block></script></block></script></scripts></sprite><watcher var="shift" style="normal" x="9.85446460255946" y="9.854464602559446" color="243,118,29"/><watcher var="cesar cipher letter" style="normal" x="8.94178584102383" y="60.49062807985098" color="243,118,29"/><watcher var="message in unicode" style="normal" x="8" y="35" color="243,118,29"/></sprites></stage><variables><variable name="shift"><l>2</l></variable><variable name="cesar cipher letter"><l>49</l></variable><variable name="message in unicode"><l>0</l></variable></variables></scene></scenes></project><media name="U2L2.3 Caesar Cipher Set Up" app="Snap! 7, https://snap.berkeley.edu" version="2"></media></snapdata>