<snapdata remixID="8788746"><project name="U3L1-ShoppingList" app="Snap! 5.1, http://snap.berkeley.edu" version="1"><notes></notes><thumbnail>data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAKAAAAB4CAYAAAB1ovlvAAARNklEQVR4Xu2dCVQVRxaGf1CICqKAuyMouKG4gRvuayJuiUsc4zKDioKio1ETjUvcotGjoyaZxG2MJirqqElcRmM0ZowLEhGDOyIoqERRQJRtwIlzbpFuX8MDHtC+7kdVncN5C9V9b937vVtd1beqrV68ePECoggLaGQBKwGgRpYXYpkFBIACBE0tYBTAixcv4uTJk2ZXrGrVqvD19YWTk5PZZQuB2lggD4A//vgj6tevr402f0i9dOkSBgwYoKkOQrh5LKAAMCwsDFWqVJEl0/hkwYIFWLRoEaysrECfjb1WrlwZycnJiv9999138PPzw5MnT9hx/fr1w+HDh01uVd26dU2uKypargUUAK5atQqDBw9mIGVkZMDT0xOjRo1Cu3btEBsbi8DAQJw4cQJ9+/bFjRs30Lp1a4SHhyMqKgotWrTA5cuX0atXL1SrVg3r169nn9u0aYPdu3cjKSkJ+/fvzxfi3HDXq1fPcq0qNDfZAgoAV65cKQNIQLi7uyM+Ph6ZmZmwt7dnYK1evRpTp07FwYMH0b9/fwaWjY0NA/bq1ato2bIlq0vHOTs7Iz09HbVq1UJCQgJSU1NNBtDNzc3kRoiKlmsBBYArVqxQAFhQt5tfd6zW91pfh1quSy1LcwWAy5cvlwGsW9cVZ8fVgUcVG5xz7oMYO0/VW+aVdAKNU8PZee1qeyB+4BdyhGzQoIHq8sQJ9WcBBYDLli3DkCFDmJaxkZfQ4cwMJE46JUNRo0Z1RISGICnxUYEtsbOvCJeGTUzqbm+GHkeH8MWAlRXuj/lBPm+jRo30Zy2hkeoWUAC4dOlSOQLejbqCjEf30Kz7m7LQnUNbYWhta5OUaHggCefOnQPN7dFIuKC5vQdfT0WzjAjc8zsqQ9u4cWOT5IhKlm0BBYBLliyRI+D96Guo59ESZ86cYVDSIOKCXyu0dLIx3mK6o2wF4I9by7kBpKma/Mq+ffswKelzxP3liFylSZMmlm1Zob1JFlAAuHjxYhnA+JjrqNu4BZuSodEvARg+xgsD1h9Fyg/bUMnXD4nBy2Fb0w0OPYYjfsVYuH0ZgTuBbZEVHw0JQBopHz16FJUqVcq3S967dy8mP1mH2NEv5wmbNm1qUgNEJcu2gAJAmnCW5gF/u30DLg2bMQClieYI/zYMwLsf9Cu01bkjIE3NUJFG1tIJ6DMB+LenG3Bn1L9lSGkOUpTSbwEFgAsXLmQAUnkYexN1GuRAIE2tVA4/gKe7VxRqlTIOznBYfQYXLlyQoXN1dZWPk84nfUEATkvdhNsjDzFZVJo3b16oHFHB8i2gAPDDDz+UI2BCXBRquXkUeAtOrTk/AnB6+mZEv3NAhp3urIhS+i2gAHD+/PkygI/u3kLNeuYZidIgZEbGl7g1/OWtOrqjIkrpt4ACwLlz58qDkMT7Maju2tAsFiAA3/vvVtwc9q0sz8vLyyyyhRBtLaAAcM6cOXIETIq/jap16hsdNBhm8RsbVBT1/9QFz8r+GpFvfyN3wd7e3tpaRkg3iwUUAM6ePVuOgE8exMK5tpvZrgE/+N92XB+yV240ZdHwUjrtvY/Qh5kW0dzsIHdV9VQAOGvWLBnAlIdxcKqVkxKVe9Sq9meKgHNfBOPa4D1y49q2batqQ/V6MpvPozGgnh2+6VtDryrKel1Pzkbz4DioCaECwPfff1+ehnn26B4qVXcxWwScb7ULVwf9S56Gad++ve4dUlIFd99MxZSTj5Aw3nJyH+PT/gfXrXdUg1AB4MyZM+UImPr4Phyq1SmpjU06ngYhH1rvxuU3d8n1fXx8TDrWkiu12nUXu/vUQMPK+dze1GnjKGqrFQUVAM6YMUMehKQlxsO+Sm2zmIAAXFh2Dy4N3Cl39x06dDCLbC2F5HZknz598P3338u9Dn2mQt+ZUnbs2IGRI0fmW5Xu9dNUG5Xcg0dTzi/VeWUATp8+Xe6CM5IfoIJTzVfWBUvXltbW1uxW3GLbfYgYECx3wZ06dSqKTSyybm5Hnj59GtRuWk/z1ltvsUQQyQ7SdTdN0EdERCAgIIAteyCQcl+nG16j09IJFxcXVKhQAXSvn3o5ei8dk5iYyN7TWiBJPtUj2QS+MahfGYDTpk2TI2Dmk4coV7n6K3Nsly5dmPFo+ec3+/ZhSblvcbHfdjkCdu7c+ZXJ1suJjTly+PDh2LVrF6RXioIUtTp27CgDuX37dkWkk6IZwXLq1CmMHj2a1ac1PO+++64CQFrqQFHSMAJSPTqGIqQUgd944w3zA0hrPaRkhP+mJMDWoSpTNDg4GCNGjDApwbSoafwE4rSpU7G0wn6E990my6DvS3sxBiD1CL///ruiG5YAJNtSBKSlswSRFKFo4RhFPQlAKTJS9KPEXilKUmSjcxlGTbKx1PUbds2RkZFs7Q+Bmbtbf2URcMqUKfIgJPvZY5S1d2bJpJQYQGt1KStGAoyM0LNnzzxddFZWFn7++Wf07t27UGC7du2KTz/9FLeiovCx/UGE9flKZq5bt26lnT+o6cjiGosWkw0aNMjk60ySo6beikHI5MmT5Qj4PDUR1hUc2fUGDU5o6WVcXJzczmvXrjHFaeklgUjZzx4eHqBfDq2Oo3w+utag9cI1atQAZcOEhobKx3fv3h2ffPIJ+5VNmTwZyysewvk3tsrQ0v9Le1HTkea0lZp6KwAMCgqSByG/pycj8sJZuHh1YyH6yJEjsLOzk9tJoFHEXLNmDd5++222FJO21aAwT9GRFhVRIqq/vz87hqZVQkJC2HsCdu3ataBrTnptFPstupSLxS+vb5EHIVSntBe1HEm9Eg0gaBkDdZfUbdKabfINvaeBDHXRNLCga8OSFrX0Zl2+4e5YtChJugPxIuMJfE5PR0ivzdizZw+GDh3K9C7o3u/rr7+OY8eOyRAZq09dMxmGLo6l17TZrmxR0rlem2Xb0AL30l7UciQNHmgqi3or6VpQui6UoKPsol9//VUVk6qldx4AHzx4wK712EVqRgp8zkxnCgeneiIsS/05wbfsbqDLa7E5RrEug5AeG5kB6bpz2LBhqhhLzydRw5HUE1Hko8EJ3T3asGEDaJS8bds21gNRZKSoV9gcYVHspIbekrw8mxOtW7cO0q4ENBQ3V7l16xZiYmLYTgu0jkRK4TeXfC3kqOlIc+qvpt5if0Bzei6XrGVhybC1BmZ6OWqoRdFFCwCLbjPdHkHOzApyZytaLaGQvicG1UbnWuVUUVdEQFXMWPyT0Bos2y+i5RNIN/nJ0Xosb7rZYa+veqljAkCdeJmA2+NbAxVtrdFnfzwO9K8JX9ece7aluQgAARz74QcsXLAQCQ8emMXXjk5OGDfeHwGBgUyeYRSkrpi6ZF4K1wDSlM+p02fRpXPJJ2eLA8zlK9fQzLMJu7VF5R/dqiKgqUNxTmWxx3AN4D++2IDJkwI0dd7sOfOwuvYYrqKeocG5BTD3uhZNKeRYOLcA0tbBUmJmfv43hLRBPTdE3Y6B9CodIy1BlVKcisNSRno6yv+RJFqc4y35GG4BTElJYTt2FVQuXbmK5p5NGXRU3ps7Dz+dOIGdwdvzHCbVkSBdsmIl5r0/Ew2bNMXhw4cKlPP06VM4OPB17ScZhFsAC+uCN/7zS0zwH4tTZ0LQ1KMx2nl7M5jeHDSIfW8sAtI5Y+PuwtUlZzFX4KTJ7CkDnTuW/gVWxY3C3AJYXIOpfVxhPwS15entfFwD2Ma7Nc5fCNPUJ96tvHDhYs5G7TwWrgEkhxMAYeEX5HUS5oKAIl9b+gGE5+yhyGvhHkBeHa+XdgsA9eIJTvUQAHLqeL00WwCoF09wqocAkFPH66XZAkC9eIJTPQSAnDpeL83mHkBaAurvPwHLPl7GnmtnjkIy16/fCL+/jmK7SfBcuAZw65at8Bvjp6n/Dx44gAEDB2qqg5bCuQbw2bNUVKyY8wgxrcqNyCg0bsTvs5G5BVBPSQB60sXcP0RuAcwvH3D12s+wZ2cwQkJDUL9uPdy6c9skn1BdKfcvOfkJHB2Vj6eNuHwFLZoZfwCjKbmJJilhgZUEgAU4TQLwTmwc3hn2Zwblps1bMH7cGLwzYpTRxFQ63emz59CpQ3sFwJRXmF9eoADQAn85JVU5v26PIuD5X0IxKSgIY0aOwPGTJ9Gra1f09O2LpykpaOzRBD179oDfiHcU0ZFgpbI1eCf7n2GhKEoZ01t2BDMwcxfRBZfUmxZ6fFR0DBq456Tba1VS09Jgb7DvolZ6aCWX2y6YDP7N3n0YPHSIVrZncjdt3ITxE8ZrqoOWwrkGkAx/KeIS9uz7FhMnBqB8+fJm8QVd882bNx9r1/ydPR6B58I9gDw7Xw9tFwDqwQsc6yAA5Nj5emi6AFAPXuBYBwEgx87XQ9MFgHrwAsc6CAA5dr4ems49gO3atMW5X0I1WZju3bIVwiPUeXiMHmAqjg5cA9jay5vtiqBladu6DX4JO6+lCprK5hpATS0vhDMLcAugnjJQ9KSLuX8X3AJYlBw8Sib9YNbsQjealJxH+YN1XV1M9mVRdDH5pBZSkVsA01LTYGf/8vGzBfmLIpS0AyptxSvtgnrsP//BseM/sgRVw+xpAvDj5SuwYd3nJmGQnpaGCpymZHELYFG6PcO60ntpb2iJMOkxtoaPszV13+ii6GIS0RZUiVsAyUdz5y3A0o8Waequ9Rs3I3DCOE110FI41wBS5Im8eUuzZZEhoefRvm1rs89BaglcbtlcAygZY+2aNdi86Z/IzMgwi28cKlXCko8+Qt/+/cwiT89CBIB69g4HugkAOXCynpsoANSzdzjQTQDIgZP13EQBoJ69w4FuAkAOnKznJgoANXpi+lj/cQicOFHPbJhFN64B1MMT0z2beoiJaLOgrkMhenhi+gdz5+PjpUt0aB3zqMRt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id="135"/></item></list></costumes><sounds><list struct="atomic" id="136"></list></sounds><blocks></blocks><variables></variables><scripts><script x="508" y="71"><block s="receiveInteraction"><l><option>clicked</option></l><comment w="90" collapsed="false">Ethen Halper, Satyam Dhar</comment></block><block s="doAsk"><l>Are you sure?</l></block><block s="doIf"><block s="getLastAnswer"></block><script><block s="doSetVar"><l>shopping list</l><block s="reportNewList"><list></list></block></block></script></block></script></scripts></sprite><watcher var="shopping list" style="normal" x="10" y="10" color="243,118,29" extX="80" extY="70"/></sprites></stage><hidden></hidden><headers></headers><code></code><blocks><block-definition s="map %&apos;function&apos; over %&apos;lists&apos;" type="reporter" category="lists"><header></header><code></code><translations></translations><inputs><input type="%repRing"></input><input type="%mult%l"></input></inputs><script><block s="doWarp"><script><block s="doDeclareVariables"><list><l>mapone</l><l>mapmany</l></list></block><block s="doSetVar"><l>mapone</l><block s="reifyScript"><script><block s="doIf"><custom-block s="empty? %l"><block var="data"/></custom-block><script><block s="doReport"><block s="reportNewList"><list></list></block></block></script></block><block s="doReport"><block s="reportCONS"><block s="evaluate"><block var="function"/><list><block s="reportListItem"><l>1</l><block var="data"/></block></list></block><block s="evaluate"><block var="mapone"/><list><block s="reportCDR"><block var="data"/></block></list></block></block></block></script><list><l>data</l></list></block></block><block s="doSetVar"><l>mapmany</l><block s="reifyScript"><script><block s="doIf"><custom-block s="empty? %l"><block s="reportListItem"><l>1</l><block var="data lists"/></block></custom-block><script><block s="doReport"><block s="reportNewList"><list></list></block></block></script></block><block s="doReport"><block s="reportCONS"><block s="evaluate"><block var="function"/><custom-block s="map %repRing over %mult%l"><block s="reifyReporter"><autolambda><block s="reportListItem"><l>1</l><l/></block></autolambda><list></list></block><list><block var="data lists"/></list></custom-block></block><block s="evaluate"><block var="mapmany"/><list><custom-block s="map %repRing over %mult%l"><block s="reifyReporter"><autolambda><block s="reportCDR"><l/></block></autolambda><list></list></block><list><block var="data lists"/></list></custom-block></list></block></block></block></script><list><l>data lists</l></list></block></block><block s="doIfElse"><custom-block s="empty? %l"><block s="reportCDR"><block var="lists"/></block></custom-block><script><block s="doReport"><block s="evaluate"><block var="mapone"/><list><block s="reportListItem"><l>1</l><block var="lists"/></block></list></block></block></script><script><block s="doReport"><block s="evaluate"><block var="mapmany"/><list><block var="lists"/></list></block></block></script></block></script></block></script></block-definition><block-definition s="empty? %&apos;data&apos;" type="predicate" category="lists"><header></header><code></code><translations></translations><inputs><input type="%l"></input></inputs><script><block s="doReport"><block s="reportEquals"><block var="data"/><block s="reportNewList"><list></list></block></block></block></script></block-definition><block-definition s="keep items such that %&apos;pred&apos; from %&apos;data&apos;" type="reporter" category="lists"><header></header><code></code><translations></translations><inputs><input type="%predRing"></input><input type="%l"></input></inputs><script><block s="doWarp"><script><block s="doIf"><custom-block s="empty? %l"><block var="data"/></custom-block><script><block s="doReport"><block s="reportNewList"><list></list></block></block></script></block><block s="doIfElse"><block s="evaluate"><block var="pred"/><list><block s="reportListItem"><l>1</l><block var="data"/></block></list></block><script><block s="doReport"><block s="reportCONS"><block s="reportListItem"><l>1</l><block var="data"/></block><custom-block s="keep items such that %predRing from %l"><block var="pred"/><block s="reportCDR"><block var="data"/></block></custom-block></block></block></script><script><block s="doReport"><custom-block s="keep items such that %predRing from %l"><block var="pred"/><block s="reportCDR"><block var="data"/></block></custom-block></block></script></block></script></block></script></block-definition><block-definition s="combine with %&apos;function&apos; items of %&apos;data&apos;" type="reporter" category="lists"><header></header><code></code><translations></translations><inputs><input type="%repRing"></input><input type="%l"></input></inputs><script><block s="doWarp"><script><block s="doIf"><custom-block s="empty? %l"><block s="reportCDR"><block var="data"/></block></custom-block><script><block s="doReport"><block s="reportListItem"><l>1</l><block var="data"/></block></block></script></block><block s="doReport"><block s="evaluate"><block var="function"/><list><block s="reportListItem"><l>1</l><block var="data"/></block><custom-block s="combine with %repRing items of %l"><block var="function"/><block s="reportCDR"><block var="data"/></block></custom-block></list></block></block></script></block></script></block-definition><block-definition s="if %&apos;test&apos; then %&apos;true&apos; else %&apos;false&apos;" type="reporter" category="control"><header></header><code></code><translations></translations><inputs><input type="%b"></input><input type="%anyUE"></input><input type="%anyUE"></input></inputs><script><block s="doIfElse"><block var="test"/><script><block s="doReport"><block s="evaluate"><block var="true"/><list></list></block></block></script><script><block s="doReport"><block s="evaluate"><block var="false"/><list></list></block></block></script></block></script></block-definition><block-definition s="for %&apos;i&apos; = %&apos;start&apos; to %&apos;end&apos; %&apos;action&apos;" type="command" category="control"><header></header><code></code><translations></translations><inputs><input type="%upvar"></input><input type="%n">1</input><input type="%n">10</input><input type="%cs"></input></inputs><script><block s="doDeclareVariables"><list><l>step</l><l>tester</l></list></block><block s="doIfElse"><block s="reportGreaterThan"><block var="start"/><block var="end"/></block><script><block s="doSetVar"><l>step</l><l>-1</l></block><block s="doSetVar"><l>tester</l><block s="reifyReporter"><autolambda><block s="reportLessThan"><block var="i"/><block var="end"/></block></autolambda><list></list></block></block></script><script><block s="doSetVar"><l>step</l><l>1</l></block><block s="doSetVar"><l>tester</l><block s="reifyReporter"><autolambda><block s="reportGreaterThan"><block var="i"/><block var="end"/></block></autolambda><list></list></block></block></script></block><block s="doSetVar"><l>i</l><block var="start"/></block><block s="doUntil"><block s="evaluate"><block var="tester"/><list></list></block><script><block s="doRun"><block var="action"/><list></list></block><block s="doChangeVar"><l>i</l><block var="step"/></block></script></block></script></block-definition><block-definition s="join words %&apos;words&apos;" type="reporter" category="operators"><header></header><code></code><translations></translations><inputs><input type="%mult%txt"></input></inputs><script><block s="doWarp"><script><block s="doIf"><custom-block s="empty? %l"><block s="reportCDR"><block var="words"/></block></custom-block><script><block s="doReport"><block s="reportListItem"><l>1</l><block var="words"/></block></block></script></block><block s="doReport"><block s="reportJoinWords"><list><block s="reportListItem"><l>1</l><block var="words"/></block><l> </l><custom-block s="join words %mult%txt"><block s="reportCDR"><block var="words"/></block></custom-block></list></block></block></script></block></script></block-definition><block-definition s="list $arrowRight sentence %&apos;data&apos;" type="reporter" category="operators"><header></header><code></code><translations></translations><inputs><input type="%l"></input></inputs><script><block s="doWarp"><script><block s="doReport"><custom-block s="join words %mult%txt"><block var="data"/></custom-block></block></script></block></script></block-definition><block-definition s="sentence $arrowRight list %&apos;text&apos;" type="reporter" category="operators"><header></header><code></code><translations></translations><inputs><input type="%txt"></input></inputs><script><block s="doWarp"><script><block s="doReport"><block s="reportTextSplit"><block var="text"/><l><option>whitespace</option></l></block></block></script></block></script></block-definition><block-definition s="catch %&apos;tag&apos; %&apos;action&apos;" type="command" category="control"><header></header><code></code><translations></translations><inputs><input type="%upvar"></input><input type="%cs"></input></inputs><script><block s="doCallCC"><block s="reifyScript"><script><block s="doSetVar"><l>tag</l><block var="cont"/></block><block s="doRun"><block var="action"/><list></list></block></script><list><l>cont</l></list></block></block></script></block-definition><block-definition s="throw %&apos;cont&apos;" type="command" category="control"><header></header><code></code><translations></translations><inputs><input type="%s">catchtag</input></inputs><script><block s="doRun"><block var="cont"/><list></list></block></script></block-definition><block-definition s="catch %&apos;tag&apos; %&apos;value&apos;" type="reporter" category="control"><header></header><code></code><translations></translations><inputs><input type="%upvar"></input><input type="%anyUE"></input></inputs><script><block s="doCallCC"><block s="reifyScript"><script><block s="doSetVar"><l>tag</l><block var="cont"/></block><block s="doReport"><block s="evaluate"><block var="value"/><list></list></block></block></script><list><l>cont</l></list></block></block></script></block-definition><block-definition s="throw %&apos;tag&apos; %&apos;value&apos;" type="command" category="control"><header></header><code></code><translations></translations><inputs><input type="%s">catchtag</input><input type="%s"></input></inputs><script><block s="doRun"><block var="tag"/><list><block var="value"/></list></block></script></block-definition><block-definition s="for each %&apos;item&apos; of %&apos;data&apos; %&apos;action&apos;" type="command" category="lists"><header></header><code></code><translations></translations><inputs><input type="%upvar"></input><input type="%l"></input><input type="%cs"></input></inputs><script><block s="doUntil"><custom-block s="empty? %l"><block var="data"/></custom-block><script><block s="doSetVar"><l>item</l><block s="reportListItem"><l>1</l><block var="data"/></block></block><block s="doRun"><block var="action"/><list><block s="reportListItem"><l>1</l><block var="data"/></block></list></block><block s="doSetVar"><l>data</l><block s="reportCDR"><block var="data"/></block></block></script></block></script></block-definition><block-definition s="if %&apos;test&apos; do %&apos;action&apos; and pause all $pause-1-255-220-0" type="command" category="control"><header></header><code></code><translations></translations><inputs><input type="%boolUE"></input><input type="%cs"></input></inputs><script><block s="doDeclareVariables"><list><l>breakpoint</l></list></block><block s="doIf"><block s="evaluate"><block var="test"/><list></list></block><script><block s="doSetVar"><l>breakpoint</l><block var="test"/></block><block s="doShowVar"><l>breakpoint</l></block><block s="doRun"><block var="action"/><list></list></block><block s="doPauseAll"></block><block s="doHideVar"><l></l></block></script></block></script></block-definition><block-definition s="word $arrowRight list %&apos;word&apos;" type="reporter" category="operators"><header></header><code></code><translations></translations><inputs><input type="%txt"></input></inputs><script><block s="doWarp"><script><block s="doReport"><block s="reportTextSplit"><block var="word"/><l><option>letter</option></l></block></block></script></block></script></block-definition><block-definition s="ignore %&apos;x&apos;" type="command" category="control"><header></header><code></code><translations></translations><inputs><input type="%s"></input></inputs></block-definition><block-definition s="tell %&apos;sprite&apos; to %&apos;commands&apos;" type="command" category="sensing"><header></header><code></code><translations></translations><inputs><input type="%txt">Sprite</input><input type="%cs"></input></inputs><script><block s="doRun"><block s="reportAttributeOf"><block var="commands"/><block var="sprite"/></block><list></list></block></script></block-definition><block-definition s="ask for %&apos;reporter&apos; from %&apos;sprite&apos;" type="reporter" category="sensing"><header></header><code></code><translations></translations><inputs><input type="%repRing"></input><input type="%txt">Sprite</input></inputs><script><block s="doReport"><block s="evaluate"><block s="reportAttributeOf"><block var="reporter"/><block var="sprite"/></block><list></list></block></block></script></block-definition><block-definition s="tell %&apos;sprite&apos; %&apos;action&apos;" type="command" category="control"><header></header><code></code><translations></translations><inputs><input type="%s">Sprite</input><input type="%cs"></input></inputs><script><block s="doRun"><block s="reportAttributeOf"><block var="action"/><block var="sprite"/></block><list></list></block></script></block-definition><block-definition s="ask %&apos;sprite&apos; %&apos;expression&apos;" type="reporter" category="control"><header></header><code></code><translations></translations><inputs><input type="%s">Sprite</input><input type="%repRing"></input></inputs><script><block s="doReport"><block s="evaluate"><block s="reportAttributeOf"><block var="expression"/><block var="sprite"/></block><list></list></block></block></script></block-definition><block-definition s="answer2" type="reporter" category="sensing"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doReport"><l></l></block></script></block-definition></blocks><variables><variable name="shopping list"><list struct="atomic" id="684">pizza</list></variable></variables></project><media name="U3L1-ShoppingList" app="Snap! 5.1, http://snap.berkeley.edu" version="1"></media></snapdata>