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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="30" y="30"><block s="receiveGo"></block><block s="doSetVar"><l>first_name</l><l>""</l></block><block s="doAsk"><l>enter first name:</l></block><block s="doSetVar"><l>first_name</l><block s="getLastAnswer"></block></block><block s="doUntil"><block s="reportTextAttribute"><l><option>length</option></l><block s="reportVariadicGreaterThan"><list><block var="first_name"/><l>0</l></list></block></block><script><block s="bubble"><block s="getLastAnswer"></block></block><block s="doIf"><block s="reportVariadicEquals"><list><block s="reportTextAttribute"><l><option>length</option></l><block var="first_name"/></block><l>0</l></list></block><script><block s="doSayFor"><l>error: first name is required</l><l>3</l></block></script><list></list></block></script></block></script><script x="89.119140625" y="322"><block s="reportNot"><l/></block></script><script x="141" y="359"><block s="doAsk"><l>enter first name:</l></block></script></scripts></sprite><watcher var="first_name" style="normal" x="16.107382550335387" y="16.107382550335572" color="243,118,29"/></sprites></stage><variables><variable name="first_name"><l></l></variable></variables></scene></scenes></project><media name="Presence check" app="Snap! 11.0.8, https://snap.berkeley.edu" version="2"></media></snapdata>