<snapdata remixID="13154460"><project name="U3L1-ShoppingList_Empty to Students" app="Snap! 9.0, https://snap.berkeley.edu" version="2"><notes></notes><thumbnail>data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAKAAAAB4CAYAAAB1ovlvAAAAAXNSR0IArs4c6QAAFM5JREFUeF7tnQdcVMf2x3+AIiJFSIwVBRHR6IsFrIgaUGJvRJ/xGSMqoKAv7yXGEgtVjJhI7AGfITGW94+KBkk0apRYsGHvWChiQUUFQRRk+X/OmLtvYRdYtsOd8/nw2WXv3Dlzz3z3zMyZc+8alZSUlIALt4CeLGDEAdST5blaZgEOIAdBrxbgAOrV/Fw5B5AzoFcLcAD1an6unAPIGdCrBTiAejU/V84B5Azo1QIcQL2anysvF8C9e/fi8uXLMDIyAm2W6Oq1Xbt28PLy4j0jEgsoBDAjI0Pvl9+8eXO9t4E3QPsWkAPw119/BXkhEgcHB0ycOBHu7u7o168fJBKJQm9IZWvVqoXXr19LPeWePXswdOhQFBUVSY/R8dq1ayt1VeR9Bw8erFRZXqj6WkAOwNu3bzOISGjo3bhxI5o2bYoRI0bgyy+/xIIFC3D06FG8//77OHjwoPT1xYsXDLj58+dj3rx52L9/P4OWhvJu3bqhV69e2LBhAzp37sygrExId8uWLSsrxo9XcwvIAXjr1i3pJRkbG8Pe3h4EpYmJCaysrGBtbY3Y2FiMHj0a27dvh7e3N54+fSo9x9TUFHl5ebCxsUGDBg3w6tUr3L9/H3Z2dkhLS2P10asy4ujoqEwxXqYaW0AOwJs3bxrM5bRq1cpg2sIboh0LyAGYkpIi1RQxwRORPd+kC6aZOiDXrJFSrRBWzJUVvmPcCJ65e2AmKWBF64ZcZd5SkNatW1dWRY04vu9OAQbF36sW1zLGyQKbvBpqrK1yAF6/fl1a+ZGZbvj7u+aIsvBlwy/NAy+vXYjuo8ajpPg1jGubovhVAYxMauPZ2UR2nm2XfpAUFUJS+ArGpnWkZUpev5b7PzuvADmXjiE7/Tp6W16FxZIMyOp3dnbW2IUaakWLk5/im7PPkDnJHmYmb+behizdt2airokRDo5qqpFmygF49epVVjF5saNf9ALcp8Fj9CSpsvixLhiogS9ASm4xMgskrF67+vXQwPVddF10ALL627Rpo5GLNORKaq++hSe+DrA0NTbkZpZqW+Pv03DPxx5/rVXVardCAIXAc9Isd7y//GQpBebm5jCvW1ctpXTy7j172IKE5PatW7iRcg0Lg0MZgIL+tm3bqq3H0CsgAIsCq9di6+N9WdjQvyE04a/lAKT4myDH5/RBn6jjpWJ/kUM6YaazqdrKD2QVwXX1QeTn5+PqrCHIGTUfs2fPZrsvggjxSEOHSJ32CQB27NgR586dk8ZR6YtOoS1F0qhRIzx48IAdmj59OlatWqV0EygWSxENV1dXnD17lsV2Fcnp06fh4uKi8FhA4iOs7ttAbQbYSFv2npBLly5JlZ6Y2xfu3yThm2++YfG833//HfEfdcKwpnUqvWATq7dQnJtdbjlZAFOCP8JjrxmYO3cuZPW3b9++Uj3VvYAAYFZWFgtbUdx1woQJoED+2rVrkZ6ezsAkYGbOnImxY8eCAFyyZAni4uJYeIsA9PPzQ0xMDAP40KFD8Pf3Z3FaKksjigCqAGDjxo3x8OFDJCUloX79+ggMDISZmRloI4KBYWSE4uJiFrcdNGgQIiIipKbWKoAXLlyQKjo1zwNuS4+wOGDfvn1BW3QJ/3DBzNP5yNn7EyzdR+JhzBwUXDkOa4+xeLwpApZuw2HW2gVPti+HhdswtkDJ/WMzSiTFKCl8BZRIWJnEnDpoNXIy+5YTgA/7BbIAtqz+9957r7rzVWn7ZYdgCvKHhYVh8eLF7Ms4adIkREVFsdhrhw4dMGPGDEyZMoVBRcDKgkWKyFHQl3bAgAHsmK2tLYvRVgRgnTp1UFBQgIYNG4KiDocPH5YCuH79evj4+DCPKesptQrg+fPnpUZLnu+JnpGH2YVYWlqyAPJvH3fBpwkXUZyfg6zl0/Eq/Socf7qO21M6ouRVARr4RuDptuVslUxiPdAHNkP9cWtCG7Rcdxa5iT/DyMwc275dhE5LdrAhmADM8gxguyiy+snoNV1kASQvl5yczLwdvQYHB4PCYps3b8bIkSPx+eefsx0lStYIDw9nGwJNmjRhu1OC1yLYsrOzWcSCYDp27Bi2bt3KNgaoHHk12mD44IMPGJynTp1i9ZDdadOAvC5Jnz598OeffzLvFxAQgCFDhujGA9K8QJAzC/uj2+I34RVBkjd8i57X4tTmgobgaSfz2Lfzu26WyBo0E0FBQWxeIkinTp3U1mPoFWhqEUIgkYOgHSpti1Y94JkzZ6TtPxvkha4RB6WLEDpga2WBf44exD5TRx48y8OKLTuZB6Rhl7619I2X1U/zj5ou5QEouwioaEEgax9VzqHzhaiDIlvTnPHixYuQdQZaBZBcvyDnQwbAJWx/qXbtnugG7+aVL0IqA4c8oMuqA2wOSJPsx48fs/mPrH4aimq6CABeu3YNtI9OCRg0CtCXj8CQfU+2EMq1aNGC7bnTF/fly5fsPSV9ECwUviKb0spaKCPUS3M5YXVL+/40HNNChuZ5VDdlNTk5ObEhmaIQNPc/cuQIPvzwQ2zbto11h9YBFL4RBGDn0H1sEvzJJ59gxYoV2D+5F744k48bI9+RzvOUgaR1/BOkDLOVFpVdBZOxHj16xOY1BKCgX0wAkg3Iy9DKluZ7tAqVfS+MOEI5yih69uwZWznTMSHVjd6PGTOGzftky+zYsQPDhw8vtaDo0aMH+z8xMZG9UlyWIKPFJs0PaSVNc0Yh1U7oPK0CePLkSSkAF8MGoWPw79i0aRMLD+zevRsHfHszAJnrLnyJpwkxsBk+Da8fZSLVzwX2a0/B2Mwctd5qzFbHdd/tLn0tKS5i5QquJePXfX+g5TAfZjjSSQDSUl9Wf9euXZVhu1qXETwgeTzqbAqLzJo1C2vWrGHeS3gvACiUo+GWwBD23adOnYro6GjWd7QA+eWXX6S5mFQmNzeXLWLWrVsnnT7RypcWl+T5CEA67969eyyMExoaykJiu3btYuEZ8rI6AfDEiRNSAC+FD8Z7C3eX6uBE/74Y3qzyIVjweGU9n1AZecD6HXuzf+85e7KY1FdffQVZ/TSk1HTR1CKkMjsR3BRl2Llzp3S7s7Jzyjs+YV8WftTWTggt2wW5EjEU7ee/CUwK4tCkEUruXCl34lrRhLbsBe09egImDR3g6NyG5RZGRkaysIEgNETUdCEAc/xbwryWJja2dGOtVhsycOPj5trZC6YhQJCri4eh3bwE5n5V2ZWgCTENFYqE4lmyQgAuXbqUDUGC9OzZUzcW1aOWJaefYf7x7GoDodu2TOQUSnBpnGbu2ZHbiqMVjyDXl4xAmzm/sLmGqkLBTEXi5uYmB+CyZcvYikuQspCq2gZDPy/uVh7G732IIkkJzn1kh9b1a6PL/2Xi8pNCg2o6+WhPO3PsHtZYY+2SA1DYiiENKZEj4Tx7J5vM0jZPVeWzzz5jkfbyAKSbnUhIJ3lA2naS1S8cr6re6lj+QvYreO24j9+GN0a3nzPx7071Ednzrep4KVVqsxyAsh7r5tfecPoijs33KFWfUuS1cX8wxaho+F2+fDnb/hGEtoPEIg4/psO2jjHSnr9m8ytbMxNRXLocgBQTIiHQCEDHz7chPj6eZUusXr0aw4YNY8cJlIoAIZg+/fRTqREpxkdDKgU2ZaV79+5s453CMStXrmQxKUG/WAA89+gVuvyciYltLbHO4x1RgCdcpByAlMIjrGRvLxsNh3//zDarKQ5IXpDSg0goVpSamsrmbG+//TYLo9BtmAkJCaDFQ2ZmJovt/fjjj9LbMKk83WssCJUj+Cj7g2JUBLisfrr1UwwyZNd9RHu8g6b1xOH1ZPtUDsADBw5IAUyNGgOz/v9Csw7uoPR4CliSpyJAaa5G20SUKUOrZPJczZo1Y4FM8p69e/dmMNEC5ocffmBBZtoaopvN6XzyhnPmzGGxP3p1KrqNwNXxkNXv4eEhBv5EfY1yANIWDiUoEkTpy8fiXScHnGwxnu1TFhYWsn3G8oSi6bSdJLufq6gsLS4Ez0evBKckpA27KYluaCdAaZtJF5kdFKDdEReHLVv+ixyZ+5u1SUU9Cwv09/KCn78fs6uYRQ5AmuvRlgxJxoqP2F1x94stsbW4GxpamsLY2AgSiWYeVpT5XIJ7eRJ8bfM701c057wUXorY05CsTSHIk44dw6CBA7Wppty6ExMPwdW1MywsLPSi3xCUKnw4UUhICGhxQKtTJx3dHP7k6ROcOvUmE+f48eMsN1DbsnLVGsyYHqBtNRXWv2BhMMJCg/XaBn0qL/fxbOrm+6lzUcKzadSpo7Jzq7JlWFld/LjqFhDtAyrpPoi6FdxeSsH3OxkZaPnX82kG9O+PPfv2IcDfH2uio6UWp1tKSYRyqnTFy4ICmGngVldVdOv7HNECmJOTw/IcK5LDR4/C3c0N/r6+OLD/D8wNCkJaahpCQ+SnBwQmCcHpO2ky+vbzwn83bYBz23b4+uvICvVQqhQ9eUKMIloAafVLq/byZOXqNRj4gReupdxA86ZN4T1iBHq490E/r/6YMH6c9DTKKqY9UvKA5A0trKxx7swZ1KtXD2tjYjB69Bi837c3rCwty9VFWcqUmSxGES2A1NmFRUUwVfKBmdqCQ8zwkU1FDaD3yFHYvkP9O/zUgdN7lDe2x21Xp4pqfa6oAaSe8/P1w6KICNjYUPBdN8OgRFLMtilDg0PwXcz/FjTVmiQVGy96AFW0Gz9NQxbgAGrIkLwa1SzAAVTNbvwsDVmAA6ghQ/JqVLMAB1A1u/GzNGQBDqCGDMmrUc0CHEDV7MbP0pAFRA8g5QROmeKHiMUR7DkruhDS+d13MZj4yfgKE3x10RZ96xA1gLHfx8Jnko9e+2BXfDyG/nWjl14boiflogbw+fM8WFrqNxv52vUbaOPspKfu179a0QJoSAmphtQWXSMpWgDLywdc9u1KbN2yGcdOHEMrewfcTEtVqk+obOt32+G33xLw9OkztrcsK+cvXkKHvyl+6r8yuYlKNaIaFuIAVtBpAoCpaekY9/exSDqehP98/wN8J/vgo3HjsWXzRoVnH0k6jl49uzOAb6S++flb4TNFJ3AAq+E3R90mlzfskQdMPnUSAYGB8PnHOOxLTET/vn3hOXAQcnNy4NymLTw9PdgxgksQJ4c3v20cu2kzOyYrVM6ppSNiN25iYJYVPgSr25vV9Pwbt27DyVG/P4qdl58Pi3r1qqkF1W+2aIdgMt2O7XEY6T1KfSuqUcO6mHXw9fNVo4bqfaqoAaSuu3jhIn7eFoepU/0qvEtOk91Mc76FC4MQtexr9lwdMYvoARRz5xvCtXMADaEXRNwGDqCIO98QLp0DaAi9IOI2cABF3PmGcOkcQEPoBRG3gQMo4s43hEsXPYDdunTF8ZMn2H6tLoW231w6dsKZ8+d0qdbgdIkaQNfOLkg+o/iXnHTVU11du+BksuLfUtFVG/SpR7QAijkBQJ/AldXNATSA3hDzl0G0AFYlB4+SSefOnsOSTZWRtPQM2LdQ/sf8qtIWZfRXpzKiBTA/Lx/1LJRLgyIPJeT70WKF5fc5tGS5gvv2/8ESVGWzpwnAxV8tQfRa5Z7y/yI/H+YiTckSLYBVGfZkywrvyz7Evexv6JEXUnZlXZW2VCfvpkxbRQsgGWfe/CAsCg9Rxk5aK/NdzHpM9ZustfoNvWJRA0ie53rKTb3dFnnsxCl07+qqtKc0dJhUaZ+oARQM9m1UFNav+w/o5xJ0IVbW1ggLD8egIYN1oc6gdXAADbp7an7jOIA1v48N+go5gAbdPTW/cRzAmt/HBn2FHECD7p6a3zgOYM3vY4O+Qg4ggH179yI4KBgPHzzQSWfZ2Npi0pTJmDptmk70GbISUQNIgejDR5LQ291NL3108dIVtG/Xlgei9WJ9A1C6ak00pge8+ZlVfcnceQuweFGYvtTrXa9oPaAhJQAYUlt0TaRoAXzx4gXMzc1L2VsRCFV5SCVVJpsto2w2DE/H0jX2BqCvvCRQ/2mBcHFxwdJF4SzvLyQsAkELvgR9Ts8HTD6WxFov5ASGLVmKsWO8pVdE5SgPkMAlAIXnC1K5BbO/YICWfeoqT0g1ACB03QRF3o4+c+vhBpu33kJCQjwDSABw3fpYTJk0kX1G5dIz7qBFczvWbFlPJwBIT1Bt1swOd+9mYtPGDawMJapu+GkTFs6fW6nn1bU99KVPtEOwvgyuSC+fAxpSb+iwLV1dXHHydLIONcqrcunUGafPntFrG/SpXPQekACge4OVXTBoqrPI63Wh+5JFDB+bvpSUvblBUxbm9XALKGEBDqASRuJFtGcBDqD2bMtrVsICHEAljMSLaM8CHEDt2ZbXrIQFOIBKGIkX0Z4FOIDasy2vWQkLcACVMBIvoj0LyAH4r8OPsfpCDoY61MM7dU20p5nXLBoLPCwoxq7UfAS+Z41v3Uv/MlQpAB+8KIZdbBqKAh1FYxx+obqzQO3Vt3DHxx6NzP/n2EoBOGTXPUxsa4UPW1kgKysLz58/Z60zNjbW+VaV7szCNalqAeLCxMQEVlZW7I9ky5YtpVihMmPGjGHHtt3Mww9Xc5EwtIlUZSkAiVDB+125cgUvX75klXEAVe2imnuewEWtWrXQqlUrBuL+/fvh6OjI0tUEoffR0dGIjIxkH8kyRv9XCGBhYSFIgampKYOQC7eAYAECkP6Ij2bNmjE+Hjx4gPz8fKmR7ty5Azs7O3h4eCA9Pb3qAEokEvYTpmZmZoxwLtwCshYQIGzQoAGD8e7du2zUJAkPD0dUVBSys7NVB5CoFgAk0rlwC5S1AIFnY2NTCkAvLy/ExMTA3t6eFVfZAxJ0HEAOXWUWqF+/fikAaeS0tLSUDscqA0jw1alTh80B+RBcWTeI97gAYEpKihwntAjx9PRUbg5oHZ2KDJ8WsDY1xpMnT9jSWhjnxWtefuWVWUBYoIaGhqJRo0YokHnSLHEUEBCAhg0bIqdQguax6cjxd5BWWWoVvOxcDg7dfYGdgxtXppMf5xaosgVG/HofvZuY47NO1ooBpE8pTvO95zv4uI1llRXwE7gFyrPAT9eeY9IfD+V22RQmI7TfnIHrT4u4NbkFNGYBZ5vauDRO/tejeDaMxkzMK1LFAv8PWdMKPs7RZKAAAAAASUVORK5CYII=</thumbnail><scenes select="1"><scene name="U3L1-ShoppingList_Empty to Students"><notes></notes><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><list></list></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><list></list></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="reportVariadicEquals"><list><block var="data"/><block s="reportNewList"><list></list></block></list></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><list></list></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><list></list></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="reportVariadicGreaterThan"><list><block var="start"/><block var="end"/></list></block><script><block s="doSetVar"><l>step</l><l>-1</l></block><block s="doSetVar"><l>tester</l><block s="reifyReporter"><autolambda><block s="reportVariadicLessThan"><list><block var="i"/><block var="end"/></list></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="reportVariadicGreaterThan"><list><block var="i"/><block var="end"/></list></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><list></list></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><list></list></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="Add Item %&apos;First Item&apos;" type="command" category="sensing"><header></header><code></code><translations></translations><inputs><input type="%s"></input></inputs><script><block s="doSetVar"><l>ShoppingList</l><block s="reportNewList"><list><block var="First Item"/></list></block></block><block s="doAsk"><l>What would you like to add?</l></block><block s="doAddToList"><block s="getLastAnswer"></block><block var="ShoppingList"/></block><block s="doUntil"><block s="reportVariadicEquals"><list><block s="getLastAnswer"></block><l>No</l></list></block><script><block s="doAsk"><l>Would you like to add anthing else?</l></block><block s="doIf"><block s="reportVariadicEquals"><list><block s="getLastAnswer"></block><l>yes</l></list></block><script><block s="doAsk"><l>Would you like to add anthing else?</l></block><block s="doAddToList"><block s="getLastAnswer"></block><block var="ShoppingList"/></block></script><list></list></block></script></block></script></block-definition><block-definition s="Clear List" type="command" category="sensing"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doDeleteFromList"><l><option>all</option></l><block var="ShoppingList"/></block></script></block-definition><block-definition s="Search" type="command" category="sensing"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doAsk"><l>What would you like to search for?</l></block><block s="doIfElse"><block s="reportListContainsItem"><block var="ShoppingList"/><block s="getLastAnswer"></block></block><script><block s="doSayFor"><l>This item is in the shopping list.</l><l>2</l></block></script><script><block s="doSayFor"><l>This item is not in the shopping list.</l><l>2</l></block></script></block></script></block-definition><block-definition s="delete Item" type="command" category="sensing"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doAsk"><l>Which item in 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struct="atomic" id="626"></list></costumes><sounds><list struct="atomic" id="627"></list></sounds><variables></variables><blocks></blocks><scripts></scripts><sprites select="1"><sprite name="Add Item" idx="1" x="0" y="50" heading="90" scale="1" volume="100" pan="0" rotation="1" draggable="true" costume="1" color="80,80,80,1" pen="tip" id="632"><costumes><list id="633"><item><ref mediaID="Add Item_cst_shopping-list-button-add-item"></ref></item></list></costumes><sounds><list struct="atomic" id="634"></list></sounds><blocks></blocks><variables></variables><scripts><script x="51" y="60.33333333333334"><block s="receiveKey"><l><option>1</option></l><list></list></block><custom-block s="Add Item %s"><l>one banana</l></custom-block></script></scripts></sprite><sprite name="Delete Item" idx="4" x="0" y="-100" heading="90" scale="1" volume="100" pan="0" rotation="1" draggable="true" costume="1" color="173.4,31.211999999999993,0,1" pen="tip" id="644"><costumes><list id="645"><item><ref mediaID="Delete Item_cst_shopping-list-button-delete-item"></ref></item></list></costumes><sounds><list struct="atomic" id="646"></list></sounds><blocks></blocks><variables></variables><scripts><script x="103" y="58.33333333333334"><block s="receiveKey"><l><option>4</option></l><list></list></block><custom-block s="delete Item"></custom-block></script></scripts></sprite><sprite name="Search" idx="3" x="0" y="-50" heading="90" scale="1" volume="100" pan="0" rotation="1" draggable="true" costume="1" color="140.25,33.660000000000004,0,1" pen="tip" id="655"><costumes><list id="656"><item><ref mediaID="Search_cst_shopping-list-button-search"></ref></item></list></costumes><sounds><list struct="atomic" id="657"></list></sounds><blocks></blocks><variables></variables><scripts><script x="286" y="134.33333333333334"><block s="receiveKey"><l><option>3</option></l><list></list></block><custom-block s="Search"></custom-block></script></scripts></sprite><sprite name="Clear List" idx="2" x="0" y="0" 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