<snapdata remixID="10725907"><project name="Checksum" app="Snap! 6, https://snap.berkeley.edu" version="1"><notes></notes><thumbnail>data:image/png;base64,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</thumbnail><stage 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struct="atomic" id="2"></list></costumes><sounds><list struct="atomic" id="3"></list></sounds><variables></variables><blocks></blocks><scripts></scripts><sprites><sprite name="Sprite" idx="1" x="0" y="0" heading="90" scale="1" volume="100" pan="0" rotation="1" draggable="true" costume="0" color="80,80,80,1" pen="tip" id="8"><costumes><list struct="atomic" id="9"></list></costumes><sounds><list struct="atomic" id="10"></list></sounds><blocks></blocks><variables></variables><scripts><script x="10" y="27.000000000000057"><block s="receiveGo"></block><block s="doAsk"><l>Please choose a 12 number ISBN</l></block><block s="doSetVar"><l>myList</l><block s="reportTextSplit"><block s="getLastAnswer"></block><l><option>letter</option></l></block></block><block s="doUntil"><block s="reportEquals"><block s="reportListAttribute"><l><option>length</option></l><block var="myList"/></block><l>12</l></block><script><block s="doAsk"><l>Please choose a 12 number ISBN</l></block><block s="doSetVar"><l>myList</l><block s="reportTextSplit"><block s="getLastAnswer"></block><l><option>letter</option></l></block></block></script></block><block s="doSayFor"><custom-block s="Checksum %l"><block var="myList"/></custom-block><l>2</l></block></script><script x="302" y="27.666666666666714"><block s="receiveInteraction"><l><option>clicked</option></l></block><block s="doAsk"><l>Please choose a 13 number ISBN</l></block><block s="doSetVar"><l>myList</l><block s="reportTextSplit"><block s="getLastAnswer"></block><l><option>letter</option></l></block></block><block s="doUntil"><block s="reportEquals"><block s="reportListAttribute"><l><option>length</option></l><block var="myList"/></block><l>13</l></block><script><block s="doAsk"><l>Please choose a 13 number ISBN</l></block><block s="doSetVar"><l>myList</l><block s="reportTextSplit"><block s="getLastAnswer"></block><l><option>letter</option></l></block></block></script></block><block s="doSayFor"><custom-block s="checksumVerification %l"><block var="myList"/></custom-block><l>2</l></block></script></scripts></sprite><watcher var="ISBN13" style="normal" x="10" y="10" color="243,118,29" extX="80" extY="70"/><watcher var="myList" style="normal" x="124" y="34.00000399999999" color="243,118,29" extX="80" extY="70"/></sprites></stage><hidden></hidden><headers></headers><code></code><blocks><block-definition s="Sum of Even" type="command" category="other"><header></header><code></code><translations></translations><inputs></inputs></block-definition><block-definition s="Sum of Odd" type="command" category="other"><header></header><code></code><translations></translations><inputs></inputs></block-definition><block-definition s="Checksum %&apos;number&apos;" type="reporter" category="other"><header></header><code></code><translations></translations><inputs><input type="%l"></input></inputs><script><block s="doDeclareVariables"><list><l>even#</l><l>odd#</l></list></block><block s="doSetVar"><l>even#</l><l>0</l></block><block s="doSetVar"><l>odd#</l><l>0</l></block><block s="doFor"><l>i</l><l>1</l><block s="reportListAttribute"><l><option>length</option></l><block var="number"/></block><script><block s="doIfElse"><block s="reportEquals"><block s="reportModulus"><block var="i"/><l>2</l></block><l>0</l></block><script><block s="doChangeVar"><l>even#</l><block s="reportListItem"><block var="i"/><block var="number"/></block></block></script><script><block s="doChangeVar"><l>odd#</l><block s="reportListItem"><block var="i"/><block var="number"/></block></block></script></block></script></block><block s="doReport"><block s="reportDifference"><l>10</l><block s="reportModulus"><block s="reportSum"><block var="odd#"/><block s="reportProduct"><l>3</l><block var="even#"/></block></block><l>10</l></block></block></block></script></block-definition><block-definition s="odd" type="command" category="other"><header></header><code></code><translations></translations><inputs></inputs></block-definition><block-definition s="checksumVerification %&apos;n&apos;" type="reporter" category="other"><header></header><code></code><translations></translations><inputs><input type="%l"></input></inputs><script><block s="doSetVar"><l>ISBN13</l><block s="reportNewList"><list></list></block></block><block s="doFor"><l>i</l><l>1</l><l>12</l><script><block s="doAddToList"><block s="reportListItem"><block var="i"/><block var="n"/></block><block var="ISBN13"/></block></script></block><block s="doIfElse"><block s="reportEquals"><custom-block s="Checksum %l"><block var="ISBN13"/></custom-block><block s="reportListItem"><l><option>last</option></l><block var="n"/></block></block><script><block s="doReport"><block s="reportBoolean"><l><bool>true</bool></l></block></block></script><script><block s="doReport"><block s="reportBoolean"><l><bool>false</bool></l></block></block></script></block></script></block-definition><block-definition s="tally" type="command" category="other"><header></header><code></code><translations></translations><inputs></inputs></block-definition></blocks><variables><variable name="ISBN13"><list struct="atomic" id="193">1,2,3,4,5,6,7,8,9,1,2,3</list></variable><variable name="myList"><list struct="atomic" id="194">1,2,3,4,5,6,7,8,9,1,2,3,4</list></variable></variables></project><media name="Checksum" app="Snap! 6, https://snap.berkeley.edu" version="1"></media></snapdata>