<snapdata remixID="10816613"><project name="HW21- steganography" app="Snap! 6, https://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" penlog="false" volume="100" pan="0" lines="round" ternary="false" hyperops="true" codify="false" inheritance="true" sublistIDs="false" scheduled="false" 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AAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECByxcQFpoRMBzwAAAABJRU5ErkJggg==</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="35.275390625" y="40.50000000000014"><block s="receiveKey"><l><option>space</option></l></block><block s="doSetVar"><l>color</l><block s="reportNewList"><list></list></block></block><block s="doFor"><l>i</l><l>1</l><l>8</l><script><block s="doAddToList"><block s="reportRandom"><l>0</l><l>255</l></block><block var="color"/></block></script></block><block s="doSetVar"><l>letter</l><block s="reportNewList"><list></list></block></block><block s="doFor"><l>i</l><l>1</l><l>8</l><script><block s="doAddToList"><block s="reportRandom"><l>0</l><l>1</l></block><block var="letter"/></block></script></block></script><script x="377" y="54.30000000000015"><block s="doSetVar"><l>binary</l><block s="reportTextSplit"><l>1111</l><l><option>letter</option></l></block></block><block s="doSayFor"><custom-block s="toDecimal %s"><block var="binary"/></custom-block><l>2</l></block></script><script x="158" y="407.9999999999998"><block s="reportUnicodeAsLetter"><l>65</l></block></script><script x="223" y="259.0000000000001"><block s="doAsk"><l>Give me a letter</l></block><block s="doSayFor"><custom-block s="steganography %s %s"><block var="color"/><custom-block s="toBinary %n"><block s="reportUnicode"><block s="getLastAnswer"></block></block></custom-block></custom-block><l>2</l></block></script></scripts></sprite><watcher var="letter" style="normal" x="116" y="10.000001999999995" color="243,118,29" extX="80" extY="70"/><watcher var="color" style="normal" x="6" y="13" color="243,118,29" extX="80" extY="70"/><watcher var="binary" style="normal" x="219" y="3.00000399999999" color="243,118,29" extX="80" extY="112"/></sprites></stage><hidden></hidden><headers></headers><code></code><blocks><block-definition s="steganography %&apos;color&apos; %&apos;letter&apos;" type="reporter" category="other"><header></header><code></code><translations></translations><inputs><input type="%s"></input><input type="%s"></input></inputs><script><block s="doFor"><l>i</l><l>1</l><l>8</l><script><block s="doIfElse"><block s="reportAnd"><block s="reportEquals"><block s="reportModulus"><block s="reportListItem"><block var="i"/><block var="color"/></block><l>2</l></block><l>1</l></block><block s="reportEquals"><block s="reportListItem"><block var="i"/><block var="letter"/></block><l>0</l></block></block><script><block s="doReplaceInList"><block var="i"/><block var="color"/><block s="reportDifference"><block s="reportListItem"><block var="i"/><block var="color"/></block><l>1</l></block></block></script><script><block s="doIf"><block s="reportAnd"><block s="reportEquals"><block s="reportModulus"><block s="reportListItem"><block var="i"/><block var="color"/></block><l>2</l></block><l>0</l></block><block s="reportEquals"><block s="reportListItem"><block var="i"/><block var="letter"/></block><l>1</l></block></block><script><block s="doReplaceInList"><block var="i"/><block var="color"/><block s="reportSum"><block s="reportListItem"><block var="i"/><block var="letter"/></block><l>1</l></block></block></script></block></script></block></script></block><block s="doReport"><block var="color"/></block></script></block-definition><block-definition s="toBinary %&apos;a&apos;" type="reporter" category="other"><header></header><code></code><translations></translations><inputs><input type="%n"></input></inputs><script><block s="doDeclareVariables"><list><l>number</l></list></block><block s="doSetVar"><l>number</l><block s="reportNewList"><list></list></block></block><block s="doUntil"><block s="reportEquals"><block var="a"/><l>0</l></block><script><block s="doInsertInList"><block s="reportModulus"><block var="a"/><l>2</l></block><l>1</l><block var="number"/></block><block s="doSetVar"><l>a</l><block s="reportMonadic"><l><option>floor</option></l><block s="reportQuotient"><block var="a"/><l>2</l></block></block></block></script></block><block s="doReport"><block var="number"/></block></script></block-definition><block-definition s="toDecimal %&apos;binary&apos;" type="reporter" category="other"><header></header><code></code><translations></translations><inputs><input type="%s"></input></inputs><script><block s="doDeclareVariables"><list><l>sum</l><l>power</l></list></block><block s="doSetVar"><l>sum</l><l>0</l></block><block s="doSetVar"><l>power</l><l>0</l></block><block s="doFor"><l>i</l><block s="reportListAttribute"><l><option>length</option></l><block var="binary"/></block><l>1</l><script><block s="doSetVar"><l>sum</l><block s="reportSum"><block var="sum"/><block s="reportProduct"><block s="reportListItem"><block var="i"/><block var="binary"/></block><block s="reportPower"><l>2</l><block var="power"/></block></block></block></block><block s="doChangeVar"><l>power</l><l>1</l></block></script></block><block s="doReport"><block var="sum"/></block></script></block-definition></blocks><variables><variable name="color"><list struct="atomic" id="238">2,20,208,236,126,98,2,184</list></variable><variable name="letter"><list struct="atomic" id="239">1,1,0,1,1,0,0,1</list></variable><variable name="binary"><list struct="atomic" id="240">1,1,1,1</list></variable></variables></project><media name="HW21- steganography" app="Snap! 6, https://snap.berkeley.edu" version="1"></media></snapdata>