<snapdata remixID="13079222"><project name="lab 4.2" app="Snap! 9.0, https://snap.berkeley.edu" version="2"><notes></notes><thumbnail>data:image/png;base64,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</thumbnail><scenes select="1"><scene name="lab 4.2"><notes></notes><hidden></hidden><headers></headers><code></code><blocks><block-definition s="start with letter c" type="command" category="variables"><header></header><code></code><translations></translations><inputs></inputs></block-definition></blocks><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="6"><pentrails>data:image/png;base64,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</pentrails><costumes><list struct="atomic" id="7"></list></costumes><sounds><list struct="atomic" id="8"></list></sounds><variables></variables><blocks></blocks><scripts></scripts><sprites select="1"><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="13"><costumes><list struct="atomic" id="14"></list></costumes><sounds><list struct="atomic" id="15"></list></sounds><blocks></blocks><variables></variables><scripts><script x="27" y="10"><block s="doSetVar"><l>names</l><block s="reportNewList"><list><l>eric</l><l>sally</l><l>michelle</l><l>john</l><l>sam</l><l>caleb</l></list></block></block></script><script x="10" y="364.00000000000057"><block s="receiveKey"><l><option>1</option></l><list></list></block><block s="doSetVar"><l>more than 4 letters</l><l></l></block><block s="doSetVar"><l>item number</l><l>1</l></block><block s="doRepeat"><block s="reportListAttribute"><l><option>length</option></l><block var="names"/></block><script><block s="doIf"><block s="reportVariadicGreaterThan"><list><block s="reportTextAttribute"><l><option>length</option></l><block s="reportListItem"><block var="item number"/><block var="names"/></block></block><l>4</l></list></block><script><block s="doSetVar"><l>more than 4 letters</l><block s="reportJoinWords"><list><block var="more than 4 letters"/><block s="reportJoinWords"><list><block s="reportListItem"><block var="item number"/><block var="names"/></block><l>, </l></list></block></list></block></block></script><list></list></block><block s="doChangeVar"><l>item number</l><l>1</l></block></script></block><block s="doSayFor"><block var="more than 4 letters"/><l>5</l></block></script><script x="15.000000000000028" y="621.9999999999986"><block s="receiveKey"><l><option>2</option></l><list></list></block><block s="doSetVar"><l>start with letter C</l><l></l></block><block s="doSetVar"><l>item number</l><l>1</l></block><block s="doRepeat"><block s="reportListAttribute"><l><option>length</option></l><block var="names"/></block><script><block s="doIf"><block s="reportVariadicEquals"><list><block s="reportLetter"><l>1</l><block s="reportListItem"><block var="item number"/><block var="names"/></block></block><l>c</l></list></block><script><block s="doSetVar"><l>start with letter C</l><block s="reportJoinWords"><list><block var="start with letter C"/><block s="reportJoinWords"><list><block s="reportListItem"><block var="item number"/><block var="names"/></block><l>, </l></list></block></list></block></block></script><list></list></block><block s="doChangeVar"><l>item number</l><l>1</l></block></script></block><block s="doSayFor"><block var="start with letter C"/><l>5</l></block></script><script x="21" y="893.9999999999987"><block s="receiveKey"><l><option>3</option></l><list></list></block><block s="doSetVar"><l>end with the letter Y</l><l></l></block><block s="doSetVar"><l>item number</l><l>1</l></block><block s="doRepeat"><block s="reportListAttribute"><l><option>length</option></l><block var="names"/></block><script><block s="doIf"><block s="reportVariadicEquals"><list><block s="reportLetter"><block s="reportTextAttribute"><l><option>length</option></l><l>world</l></block><block s="reportListItem"><block var="item number"/><block var="names"/></block></block><l>y</l></list></block><script><block s="doSetVar"><l>end with the letter Y</l><block s="reportJoinWords"><list><block var="end with the letter Y"/><block s="reportJoinWords"><list><block s="reportListItem"><block var="item number"/><block var="names"/></block><l>, </l></list></block></list></block></block></script><list></list></block><block s="doChangeVar"><l>item number</l><l>1</l></block></script></block><block s="doSayFor"><block var="end with the letter Y"/><l>5</l></block></script><script x="22" y="50.99999999999994"><block s="receiveKey"><l><option>space</option></l><list></list><comment w="90" collapsed="false">this joins all the names into one single list and welcomes everyone at the same time</comment></block><block s="doSetVar"><l>item number</l><l>1</l></block><block s="doSetVar"><l>all names</l><l></l></block><block s="doRepeat"><block s="reportListAttribute"><l><option>length</option></l><block var="names"/></block><script><block s="doSetVar"><l>all names</l><block s="reportJoinWords"><list><block var="all names"/><block s="reportJoinWords"><list><block s="reportListItem"><block var="item number"/><block var="names"/></block><l>, </l></list></block></list></block></block><block s="doChangeVar"><l>item number</l><l>1</l></block><block s="doIf"><block s="reportVariadicEquals"><list><block var="item number"/><block s="reportListAttribute"><l><option>length</option></l><block var="names"/></block></list></block><script><block s="doSetVar"><l>all names</l><block s="reportJoinWords"><list><block var="all names"/><l>and </l></list></block></block></script><list></list></block></script></block><block s="doSayFor"><block s="reportJoinWords"><list><l>Welcome </l><block var="all names"/></list></block><l>5</l></block></script><script x="22" y="1211.0000000000023"><block s="receiveKey"><l><option>4</option></l><list></list></block><block s="doSetVar"><l>not first or last two</l><l></l></block><block s="doSetVar"><l>item number</l><l>1</l></block><block s="doRepeat"><block s="reportListAttribute"><l><option>length</option></l><block var="names"/></block><script><block s="doIf"><block s="reportVariadicEquals"><list><block s="reportVariadicOr"><list><block s="reportVariadicOr"><list><block s="reportVariadicEquals"><list><block var="item number"/><block s="reportListAttribute"><l><option>length</option></l><block var="names"/></block></list></block><block s="reportVariadicEquals"><list><block var="item number"/><block s="reportDifference"><block s="reportListAttribute"><l><option>length</option></l><block var="names"/></block><l>1</l></block></list></block></list></block><block s="reportVariadicOr"><list><block s="reportVariadicEquals"><list><block var="item number"/><l>2</l></list></block><block s="reportVariadicEquals"><list><block var="item number"/><l>1</l></list></block></list></block></list></block><block s="reportBoolean"><l><bool>false</bool></l></block></list></block><script><block s="doSetVar"><l>not first or last two</l><block s="reportJoinWords"><list><block var="not first or last two"/><block s="reportJoinWords"><list><block s="reportListItem"><block var="item number"/><block var="names"/></block><l>, </l></list></block></list></block></block></script><list></list></block><block s="doChangeVar"><l>item number</l><l>1</l></block></script></block><block s="doSayFor"><block var="not first or last two"/><l>5</l></block></script><script x="350" y="301.1666666666667"><block s="receiveGo"><comment w="90" collapsed="false">this lists the names one by one with the change item number by 1 and welcomes them individually</comment></block><block s="doSetVar"><l>item number</l><l>1</l></block><block s="doRepeat"><block s="reportListAttribute"><l><option>length</option></l><block var="names"/></block><script><block s="doSayFor"><block s="reportJoinWords"><list><l>Welcome, </l><block s="reportListItem"><block var="item number"/><block var="names"/></block></list></block><l>2</l></block><block s="doChangeVar"><l>item number</l><l>1</l></block></script></block></script></scripts></sprite><watcher var="names" style="normal" x="10" y="10" color="243,118,29" extX="80" extY="70"/><watcher var="item number" style="normal" x="297" y="50.000001999999995" color="243,118,29"/><watcher var="all names" style="normal" x="130" y="16.00000399999999" color="243,118,29"/><watcher var="start with letter C" style="normal" x="10" y="124.00000399999999" color="243,118,29"/><watcher var="more than 4 letters" style="normal" x="30" y="319.000002" color="243,118,29"/><watcher var="not first or last two" style="normal" x="21" y="264.000008" color="243,118,29"/><watcher var="end with the letter Y" style="normal" x="0" y="168.00000599999998" color="243,118,29"/></sprites></stage><variables><variable name="names"><list struct="atomic" id="397">eric,sally,michelle,john,sam,caleb</list></variable><variable name="item number"><l>1</l></variable><variable name="all names"><l>eric, sally, michelle, john, sam, and caleb, </l></variable><variable name="more than 4 letters"><l>sally, michelle, caleb, </l></variable><variable name="start with letter C"><l>caleb, </l></variable><variable name="end with the letter Y"><l>sally, </l></variable><variable name="not first or last two"><l>michelle, john, </l></variable></variables></scene></scenes></project><media name="lab 4.2" app="Snap! 9.0, https://snap.berkeley.edu" version="2"></media></snapdata>