<snapdata remixID="10729967"><project name="Checksum" app="Snap! 6, https://snap.berkeley.edu" version="1"><notes></notes><thumbnail>data:image/png;base64,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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="false" hyperops="true" codify="false" inheritance="true" sublistIDs="false" scheduled="false" 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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="53" y="38"><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="464" y="34.499999999999915"><block s="receiveKey"><l><option>space</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="367" y="10.000001999999995" color="243,118,29" extX="80" extY="70"/><watcher var="myList" style="normal" x="15" y="19" color="243,118,29" extX="80" extY="70"/></sprites></stage><hidden></hidden><headers></headers><code></code><blocks><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="CheckSumVerification %&apos;number&apos;" type="predicate" 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="number"/></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="number"/></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></blocks><variables><variable name="myList"><list struct="atomic" id="189">9,7,8,1,4,8,9,8,2,0,7,5,4</list></variable><variable name="tally"><l>0</l></variable><variable name="ISBN13"><list struct="atomic" id="190">9,7,8,1,4,8,9,8,2,0,7,5</list></variable></variables></project><media name="Checksum" app="Snap! 6, https://snap.berkeley.edu" version="1"></media></snapdata>