<snapdata remixID="8814329"><project name="practice problems" app="Snap! 5.1, http://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" volume="100" pan="0" lines="round" ternary="false" codify="false" inheritance="true" sublistIDs="false" scheduled="false" id="1"><pentrails>data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAeAAAAFoCAYAAACPNyggAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAK1SURBVHhe7cExAQAAAMKg9U9tDB8gAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAgIsajf4AAXBXLv8AAAAASUVORK5CYII=</pentrails><costumes><list 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="30" y="20"><block s="doFor"><l>i</l><l>10</l><l>1</l><script><block s="bubble"><block var="i"/></block><block s="doWait"><l>1</l></block></script><comment w="90" collapsed="false">#1: reverse for loops&#xD;&#xD;in this case, instead of counting up from 1 to 10, snap instead counts down from 10 to 1.</comment></block></script><script x="27" y="211"><block s="doSetVar"><l>2list</l><block s="reportNewList"><list></list></block></block><block s="doFor"><l>i</l><l>1</l><l>10</l><script><block s="doAddToList"><block var="i"/><block var="2list"/></block></script><comment w="90" collapsed="false">#2: blank field&#xD;&#xD;even though there isn&apos;t anything in the say block, snap automatically says the value of the item in &quot;my list&quot;</comment></block><block s="doForEach"><l>item</l><block var="2list"/><script><block s="bubble"><l></l></block></script></block></script><script x="334" y="27"><block s="doSetVar"><l>3alist</l><block s="reportNewList"><list></list></block></block><block s="doSetVar"><l>3blist</l><block s="reportNewList"><list></list></block></block><block s="doFor"><l>i</l><l>10</l><l>1</l><script><block s="doAddToList"><block var="i"/><block var="3alist"/></block></script><comment w="90" collapsed="false">#3: list reversal</comment></block><block s="doWait"><l>1</l></block><block s="doFor"><l>i</l><l>1</l><l>10</l><script><block s="doAddToList"><block var="i"/><block var="3blist"/></block></script></block><block s="doForEach"><l>item</l><block var="3blist"/><script><block s="bubble"><l></l></block></script></block></script><script x="629" y="105"><block s="doDeclareVariables"><list><l>a</l></list><comment w="90" collapsed="false">#4: script variables</comment></block><block s="doSetVar"><l>3alist</l><block s="reportNewList"><list></list></block></block><block s="doSetVar"><l>3blist</l><block s="reportNewList"><list></list></block></block><block s="doFor"><l>i</l><l>1</l><l>10</l><script><block s="doChangeVar"><l>a</l><l>1</l></block><block s="doAddToList"><block var="a"/><block var="3alist"/></block></script></block><block s="doWait"><l>1</l></block><block s="doBroadcast"><l>ok</l></block></script><script x="634" y="350"><block s="receiveMessage"><l>ok</l><comment w="90" collapsed="false">#4: script variables</comment></block><block s="doDeclareVariables"><list><l>a</l></list></block><block s="doFor"><l>i</l><l>10</l><l>1</l><script><block s="doChangeVar"><l>a</l><l>1</l></block><block s="doAddToList"><block var="a"/><block var="3blist"/></block></script></block><block s="doForEach"><l>item</l><block var="3blist"/><script><block s="bubble"><l></l></block></script></block></script></scripts></sprite><watcher var="2list" style="normal" x="10" y="10" color="243,118,29" extX="80" extY="70"/><watcher var="3alist" style="normal" x="10" y="103.000002" color="243,118,29" extX="80" extY="70"/><watcher var="3blist" style="normal" x="11" y="196.000004" color="243,118,29" extX="80" extY="70"/></sprites></stage><hidden></hidden><headers></headers><code></code><blocks></blocks><variables><variable name="2list"><list struct="atomic" id="147">1,2,3,4,5,6,7,8,9,10</list></variable><variable name="3alist"><list struct="atomic" id="148">1,2,3,4,5,6,7,8,9,10</list></variable><variable name="3blist"><list struct="atomic" id="149">1,2,3,4,5,6,7,8,9,10</list></variable></variables></project><media name="practice problems" app="Snap! 5.1, http://snap.berkeley.edu" version="1"></media></snapdata>