<snapdata remixID="13856277"><project name="4.2TraversingListQuestion" app="Snap! 10.1-dev, https://snap.berkeley.edu" version="2"><notes></notes><thumbnail>data:image/png;base64,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</thumbnail><scenes select="1"><scene name="4.2TraversingListQuestion"><notes></notes><hidden></hidden><headers></headers><code></code><blocks><block-definition s="isOdd?" type="predicate" category="operators"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doReport"><block s="reportNot"><block s="reportVariadicEquals"><list><block s="reportModulus"><block s="reportListItem"><block var="i"/><block var="practiceList"/></block><l>2</l></block><l>0</l></list></block></block></block></script></block-definition><block-definition s="addTwo" type="command" category="variables"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doReplaceInList"><block var="i"/><block var="practiceList"/><block s="reportVariadicSum"><list><block s="reportListItem"><block var="i"/><block var="practiceList"/></block><l>2</l></list></block></block></script></block-definition><block-definition s="averageValue %&apos;whichList?&apos;" type="command" category="operators"><header></header><code></code><translations></translations><inputs><input type="%s" initial="1"></input></inputs><script><block s="doRepeat"><block s="reportListAttribute"><l><option>length</option></l><block var="whichList?"/></block><script><block s="doSetVar"><l>sum</l><block s="reportVariadicSum"><list><block var="sum"/><block s="reportListItem"><block var="index"/><block var="whichList?"/></block></list></block></block><block s="doChangeVar"><l>index</l><l>1</l></block></script></block><block s="doSetVar"><l>averagevalue</l><block s="reportQuotient"><block var="sum"/><block s="reportListAttribute"><l><option>length</option></l><block var="whichList?"/></block></block></block></script></block-definition></blocks><primitives></primitives><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="false" hyperops="true" codify="false" inheritance="true" sublistIDs="false" id="69"><pentrails>data:image/png;base64,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</pentrails><costumes><list 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