<snapdata remixID="15046279"><project name="4.2TraversingListQuestion" app="Snap! 11.0.8, 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></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="23"><pentrails>data:image/png;base64,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