<snapdata remixID="8572190"><project name="U2L2P2-Abstract Data Types" app="Snap! 5.1, http://snap.berkeley.edu" version="1"><notes></notes><thumbnail>data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAKAAAAB4CAYAAAB1ovlvAAAUeklEQVR4Xu2dCXQVRdbHb9j5QAf0Q9kVkMHlfCqoRzgHUb6wiAJhHWAmsgwzDCAo4AK4EcAFFEVAAQU/FB0GMCxh34MwOGyy70uAJGQDkgAhC4nkO//Gavr2e8nr1/3yXjXWPceTE9JdVX37Z917u27dCissLCwkJUoDIdJAmAIwRJpX3WoaUAAqEEKqAa8A7tu3jzZv3hzSgdntvEWLFtSkSRO7t6v7gqwBDwA3btxIDRs2DPIwAtvdyZMnKTw8PLCNqtZKRAMMwD179tDdd99NYWFhhNjk22+/pb59++q/i393w89Lly5R48aNS0RpqtHAaYAB+Nlnn1GXLl004E6dOkWtW7emQ4cOUaVKlTQg3QCeGGd0dDS99tprgdOUaqlENMAA/PTTT6lr165aRxUqVKDc3FyqU6cOJSQklEjnJdnookWLFIAlqeAAtc0AnDRpkg5ggNoPWTMA8PXXXw9Z/6pjaxrwAFCY4Dp1atO2/nWp9nv/ttZSiK66ePEiFWZdoAarBlHWkC26qwAT/MYbb4RoVKpbqxpgAH7yySe6D5h4+ijVqv+g1XZCch0CpuPHj9OCBQtoXNlFlPaPWAbgm2++GZJxqU6ta4AB+PHHH+smOCnuGNX8DcAvvviCIiMjqUqVKpZa3rp1Kz3zzDOWri3uovHjx9OKFStox44dXi+rUaMGHTx48DcAoyl1QKx+HUywAtDxKyjxBhiAEydO1AFMPnNcB7Bjx47Utm1bevnll30OaPv27VS6dGl66qmnfF7r6wIAOHfuXMJ3PW9iBjDl75sYgCNHjvTVhfp7iDXgAaDwAY0A4sN0URCYx79kyRLq3LmzFjkjgnYi/s6AAND4GWbUqFFOulf3BkEDDMAJEyboPmDK2RP6DBiEcdjqwjwDJv9tIwNw9OjRttpVNwVPAwzAjz76SDfBqedOegWwQYMGwRudj56ys7OZD5jUfwMzwQpAaV5VkQNhAH744Yc6gGnxp1wH4Pm/rmcAvvXWW/K/gd/5CD0AFD6gEcB+/frRnDlzNFX5mgG/++476tOnD/3yyy+E9dg2bdrYUvHy5cu1pAhk5pQrV05zDcxingEBoNEHfPvtt231rW4KngYYgB988IHuA15IOK3PgFiSw9JccQAWFBTQE088Qfv37ydA2K5dO9q9eze98MILtp9m3bp1lJeXR1WrVqXmzZv7BDCx3zoG4DvvvGO7b3VjcDTAAHz//fd1E3wxMc51Jjih71pmghWAwYHISS8MQHz2EMkIl86fcR2A8X3WMADfffddJ7rxem+tGs/Q+eStfv8t4AO5TRr0AFD4gG4F0OgDvvfee7fJa7p9H4MBOG7cON0HTE86q8+A4qVaCUKEqoz3OFFfce0gCMEyHQKWcWWj6Vzv1cwHHDNmjJOuPe4dNXISTZhYfIaNlWsCOiiXN8YAHDt2rG6CM5LPMROMqBZBhq8oeMuWLdSsWTPKyMiwHYQg6Fm6dCn17NmTjh07RkePHtXWoVu2bMnUDQCxhQD7V8aW+ZHOvrSKmeBAAzj/XyupZ68Xi33lVq5xOTMBHT4DMCoqSgcwMyVeB1DAZ2UGBHiVK1fWouH09HTbn2Hmz5+vQYc16Hnz5mnrywDSKObPMGciVzIA8TxK5NaAB4DCBzQCaHwEXzNgMB/XG4BGHxAzeqCkuODD3Ic/1wZqfG5thwEIkyUAvJya4Lq14Li/rGA+IHxaJXJrgAGIqFF8hrmSlui6zzCn/7ycmeBAAWgnsLBzj9yolMzoGID4biYAvHrhvA6gMR3LlwnGVs6HHnqIYmJiCGvLdgU+4OOPP079+/cnjAvByLBhw4r1AU/1WsYAxHfNQIidwMLOPYEYq9va8ABQmGAjgIApIiJCezYrACJVHoGIOWr1RzkAEEHH9OnTCWlXZcqUoQ4dOvgE0OgDYmVHidwaYABi6UoAmHUxydEMuGzZMsLasl0BgMiunjp1Kq1atcrSDHiyZwzzAZ30L8btJKBwcq9dvbntPgYgskeECb52Kdl1PuCJHkuZCQ4EgG57oW4bLwMQ+XMCwOz0FNcBePxPSxiATnxQNBSIQCIQbbgNKn/G6wGgMMFuBdDoAyLD24kEIpAIRBtOnkH2exmASGEXAOZkpOozIPL6nnzySZ9BCCLVBx98kOC/FZVEalUhdhJSj3VfzHxA7HFRIrcGGIDYRSZMcG5mmg7gAw88QKgbg0jYVxSclJSkZUMXlUTqjzr8TUg92m0RM8FOAAxkABHItvzRnxuuZQBiH60AMO/yBel9wA0bNtAdd9yh6fmRxd3pSNdoBiD2OSuRWwMeAAoT7AYAYaaFtPz3yxqARh8QlR7sSEkEDiXRpp1nk+0eBiBKWQgAr1+5KP0MaAbwcJcfGYCodWNHSiJwKIk27TybbPcwAFFNSpjg/KuXXAfgoc4LmQm2C6BsL+l2Hg8DEPX0BIAFWeksCEHFVIivICQ2NpaysrICEoT4CmjMM+DBTgsYgKh36K+UZMBQkm37+5yyXO8BoDDBRgCRoQwY6tevXyyAVj6dWH1wpNo//fTTxX7S8Qag0QdE5K5Ebg0wAFFTWQD467UM15ngAxHzdR8Q5dn8BTAYgUIw+pAbOT46rwDikhvZmdInpG7adKscW69T40kAiPEDQBRd90eKChS6dB5Cjz3mX7HOAweO06LF0zy6V8FIMQAOHz5c9wELcy67bgbc12Ee8wEnT57sD3/q2hBogM2AAFCYYCOAWAmxEoTAT3z++edp1qxZjhNS0VatWrW0lKyiklvNPiAANPqAn3/+uWWVFhUgdO0y1OtMZqXhou5Vwcgt7TEAkXEsAKTcK/oMmJmZSadPn7a0LXP27Nl07733Ok5IRTSNRFQUxiwqudUM4N72/2Q+oD8AFgXU93Nj6KXeN5Nx/RUn9/rbl1uv9wogHiYs76rfn2Fg8kaMGFHsrGVVUZgBu3XrRmjT6gwoABQ+4JQpUyx1N3rUp/TRhOAeahOKPi0pI8gXMQBfeeUV3QcsdT3LdT7gLy98z3xAZFNbkaICAyfmV/RbVBsqGLmpIQ8AhQl2K4BGH3DaNM8o1AqQ4ppAmNBAtOHPmN12LQNw6NChug9YOv+a62bA3e3mMh/QCoA1qzenpJTQHMYTyr5lAdUrgBhcmYJsBqAoUulrKQ65gIcPH6ZHHnnEUYVUK8mt5iBEACh8wBlfbiQKu0Tbfl5OTZs+7ZfOA2F+fZlhvwZ0m17MAMQ5IGItuOyvOTqAVrZlokIqDorG5nYED2lpabaLEwld+7sWvLPtt8wHnDn91odq8YeGf/wvOnxkp1ZrprhA4Ifvl1HkSx0D8tqLa+v3Hox4ACh8QCOAxrfgawYMyBuz2Ih5BgSARh+woCCMvpnlCSGa/8MfStGOXUspK6uAlsVs9OhxTNQQi6OwdtnYqC+8XpiYmEKzZv9+9y8zAAcPHqz7gOVu5LrOB9zRZg7zAb+acevoripVKlK7Fx+jH364WWxdiRwa8Aoghla+ME96AI8cOaJ9IMeJmd2PRdGONv+nASh8wPXrt9Phw9upfPnycmhbjcJDAwzAQYMG6cchVKDr0gOIp0EFBpxllzXyPtre+hsG4MyZM9Url1wDDMCBAwfqJtgIIJbiICgYacUHxG42FBZyekyDryBEwIef/7ttKP2n1WxmghWAktNn/hCN8z2qV69OYWFhVDEsn+6rUpby72pA+ASDTytWSvQG6jOMr4RUI3xiBvw5fJYOYHJysnZgjhK5NcBmQAx17dqbZ21knI+j9sc9KwtUnhgv5RNljaxLP4ffnAEhKO2rRH4NeACIIeOAapjaUqVK6S8U/46ZUbxgGX/HmJA9gxUdJe7QgFcAV69eTQ8//LAOoABP9p9QOVwFHBOmxB0a8AAwPl5OE+uvOuvWrevvLer6EGiAAQj/D8WFhOCETJyU6UbBWrLyA+V/cwxAbOLRU/ILCwn1nvv27av7frKbYOP4oqOjCbv8lMitAQYgtjEaAXQTcGIN2LgWjI32SuTWAAMQlQRENgyGXe2/76K927fJ/QS/jS4lKZGebNFaHyu2ZSoA5X91DEDUUhEA3lPtbroc/Tblthgu7VMkJCRQxYoVtfGhPFvaPzYzAFHrRoncGvAAUJjg83HHqGa9RlKPHrvmDh48SAsWLNBOywSARhOMal9K5NYAAxD19ASASQCw/s2IGIUeUXDIysEveXl5tHLlSj2pwcnj//TTT9qhN/fcc4/XZswApg6IZQCi4KYSuTXAAARowgQnnzmuAxgXF6ed1TFkiO8kTXy6wfEIYiO7k8cHgE2bNqUbN27optbYnhnAlL/fSj6FD6gAdKL94NzLAERNZQFgytkT0teGMQOY/Ldbmc0AEDWvlcitAQ8AhQl2K4BGHxBV/5XIrQEGIM7VEACmnjspfUKq+bzgpP4bmA+Ig3eUyK0BBiBOFhImOC3+lOsAPP/X9ewzjAJQbvgwOgYgggcB4IWE0zqAKSkpWqIqxFdG9JYtW6hZs2ZUtmxZ7bwQJLHaEdxbp04dunbtGu3cuVObmQ8cOMDaM8+Aif3WMQBx9p0SuTXgAaAwwUYAxaZ0KwBmZGRo1awSExNp7969tj/HYJ9xeno67du3j7Al4LnnntNgrFevnq5RbwAafUCc/qlEbg0wAHG+rgDwYmKc60xwQt+1zAfEQddK5NYAAxAfmoUJvnT+jCs+w+C0JHwvHFvmR4rvs4aZYAWg3PB5+IDjxo3TAUxPOuu6GfBc79UMQJQJUSK3BtgMCACFCTYCaLVELx5V+ICPPvqoti2zUqVKtjVgbAvVTs0JpmYfEAAafcAxY8bY7lvdGBwNMADHjh2rA5iRfM7WDCigWbhwIXXq1CkgACL6PXfunEdAYwbw7EurGIBRUVHB0aLqxbYGGIB4YcIHzEyJZyV6kXFiZV+wcdaCb1ZUIoGVEfuaTc0AnolcyUywAtCKlkN7DQMQJksAeDk1wdYMGMzHMQMY95cVDEDM6Erk1oAHgMIHdCuARh8QPq0SuTXAAETUKAC8kpbouhnw9J+XMx/QSv6i3K/n9h8dAxDfzYQJvnoxSc+IxkoI/rNSnGju3LnUu3dvWrx4se1VEKH2V199lbBPBYUo8T+GWcwm+FSvZcwEKwDlB5gBiKUrAWAWAPwtIxqPIdZ1i1oLFiV6EbGiyBEKAwkY/VWDaAtBDJb1sK7srS0zgCd7xjAAsbKjRG4NeAAoTLAZQPEYvpIRgvm43gA0+oBIrlAitwYYgMgeEQBeS0/xuilJJgB37dqlpesj8aHtzuF0osdS5gMivUyJ3BpgACJ/TpjgbABoMMEyzoDmIuXH/7SEmWAFoNzwYXQMQKSwCwBzMlJdB+Cx7osZgMjwViK3BjwAFCbYCCA+z4hvar5McO3atWnr1q1a4ioSWZ2shKxZs0bbCrptm/fqDOYZEAAafUBsslIitwYYgNhFJgDMzUzTZ0DxUvEoxQGI6/bs2aOt2zZu3FgrFtmmTRvbGsCnnKpVq1LLli29tmEG8Gi3RQxAbDNVIrcGGIDYRytMcN7lC64zwUe6RjMTrACUGz4PHxClLASA169clD4hddOmWxvRe50aT4e7/MgARKUHJXJrgM2AAFCY4KIA9OUDBvNxzSYYABp9QBRbUiK3BhiAqCYlAMy/ekmfARs2bKhVz69fv36xPiDO9UAQgjIeMOf79+939PSocvrss89SamqqJR/wUOeF7JwQBaAj9QflZq8AoueCrHQdQOTloT6Mr3zA2NhYbfsmwEMmdIcOHRw9BGa4atWqafVhvIl5BhQA4lqU5sA6shK5NcAARElb4QP+ei2DzYCIaH1FwZgBu3fvTkhqwP5gpx+CMQMOHz6cULXfCoAHIuYzHxAVX5XIrQEPAIUJNgJofASZfUAAaPQBUfNaidwaYACOGDFC9wFvZGe67jPM/o7/Yj6gAlBu+DA6rwDiD4U5l10LoPABJ0+eLP8b+J2PkAE4bNiwW0XKc6/oAObk5BAO//MVBcNna9SoEa1YsYLat2+vHe/gRERCKg4mNBZPF22ag5C97f/JfEBs5VQitwY8ABQ+IBkAxCPExMRQRESEz+JECERq1qxJiIiLWkLzpRIkpCLi3rx5c7EJqd4ANPqAU6ZM8dWV+nuINcAAxIwjAAzLu+r3WrBmugsL2cE2gXg+41q0sT0zgHte/IH5gArAQGi/ZNvwCiC6LHU9y3U+oABQ+IBTp04tWe2p1h1rgAGIY06Fr1U6/5rrANzdbi7zAadNm+ZYQaqBktWAB4DCBLsVQKMPiHOPlcitAQYgjmEQAJYpyPZ7Brxw4YJ2RggOOJw/fz717NnT0dOLaqvly5f3mtxq9gF3Pf8d8wEVgI7UH5SbvQKInsv+mqMDiBcpzgjxtRKCEzaxjfLOO+90tBaMmQyVUUW1VW/JrUUBKHzAL7/8MihKVJ3Y1wADcPDgwboPWO5Grt8zoP1h2LvTDOCONnOYDzh9+nR7Dau7gqYBDwCFCS4KwKCNzEJHIiEV3wz/uKATAUDhAyIbRgFoQYkhvoQBOGjQIN0HLF+YJ/0MCN2dOHGCkPc3+a51tL31NwzAGTNmhFi9qntfGvAKIG6qQNf9TsfCffABkROInXFOKhOIKvn9+vUjnD/XpEkTbQO6WQYMGEBff/01ZY28TwdQ+IAzZ8709fzq7yHWAANw4MCBehGgimH5OoACAozVShASGRlJ2MrpJB9QAIijGdavX08YA5b3jLvsBHz4+VnVtfSfVrO1GVAA+NVXX4VYvap7XxpgAMKnys/P15bSAGCjpLV0tfmrhJR8KwmpxhkQsxaqqtoVASA+6WBWNc+ARvhuzoB16efwmwBi/KVKlaJWrVrZ7V7dFyQNMADRJ2aN+++/n2rWqE715kUQFd5gQ6k8MT5IQ/Ovm+xJz9HW/xmtARgfH08AVIn8GvAAEEPG2RuYvTCTCJOGf3fD7z169KDw8HD5Na9GqGnAK4BKN0oDwdLA/wPZiSp6y7DfRAAAAABJRU5ErkJggg==</thumbnail><stage name="Stage" width="480" height="360" costume="0" color="255,255,255,1" tempo="60" threadsafe="false" volume="100" pan="0" lines="round" ternary="true" codify="false" inheritance="false" sublistIDs="false" scheduled="false" id="1"><pentrails>data:image/png;base64,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</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="-50" y="20" heading="90" scale="1" volume="100" pan="0" rotation="1" draggable="true" costume="0" color="2,0,40,1" 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><comment x="20" y="20" w="626" collapsed="false">updated by kevin Camelin and Jose Torres on 9/11/19 &#xD;U2L2P2&#xD;Week 3: Abstraction Revisited  Unit 2 Lab 2: Making Art by Using Data Structures  Abstract Data Types</comment><script x="20" y="98"><block s="doSetVar"><l>A</l><block s="reportNewList"><list><custom-block s="point %n %n"><l>-50</l><l>20</l></custom-block><custom-block s="point %n %n"><l>-10</l><l>120</l></custom-block><custom-block s="point %n %n"><l>10</l><l>120</l></custom-block><custom-block s="point %n %n"><l>50</l><l>20</l></custom-block><custom-block s="point %n %n"><l>30</l><l>20</l></custom-block><custom-block s="point %n %n"><l>20</l><l>50</l></custom-block><custom-block s="point %n %n"><l>-20</l><l>50</l></custom-block><custom-block s="point %n %n"><l>-30</l><l>20</l></custom-block><custom-block s="point %n %n"><l>-50</l><l>20</l></custom-block></list></block></block></script><script x="20" y="207"><block s="clear"></block><block s="up"></block><block s="gotoXY"><l>-50</l><l>20</l></block><block s="down"></block><custom-block s="draw shape %l"><block var="A"/></custom-block><block s="up"></block></script><script x="20" y="340"><block s="clear"></block><block s="up"></block><block s="gotoXY"><l>-13</l><l>-100</l></block><block s="down"></block><custom-block s="draw shape %l"><block var="T"/></custom-block><block s="up"></block></script><script x="20" y="473"><block s="doSetVar"><l>T</l><block s="reportNewList"><list><custom-block s="point %n %n"><l>-13</l><l>-100</l></custom-block><custom-block s="point %n %n"><l>-13</l><l>-15</l></custom-block><custom-block s="point %n %n"><l>-55</l><l>-15</l></custom-block><custom-block s="point %n %n"><l>-55</l><l>5</l></custom-block><custom-block s="point %n %n"><l>55</l><l>5</l></custom-block><custom-block s="point %n %n"><l>55</l><l>-15</l></custom-block><custom-block s="point %n %n"><l>13</l><l>-15</l></custom-block><custom-block s="point %n %n"><l>13</l><l>-100</l></custom-block></list></block></block></script><script x="20" y="582"><custom-block s="draw both shapes %l %l"><block var="A"/><block var="T"/></custom-block></script></scripts></sprite><watcher var="A" style="normal" x="10" y="10" color="243,118,29" extX="129" extY="150"/><watcher var="T" style="normal" x="10" y="183.000002" color="243,118,29" extX="129" extY="150"/></sprites></stage><hidden></hidden><headers></headers><code></code><blocks><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="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="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="go to point %&apos;point&apos;" type="command" category="motion"><header></header><code></code><translations></translations><inputs><input type="%l"></input></inputs><script><block s="gotoXY"><block s="reportListItem"><l>1</l><block var="point"/></block><block s="reportListItem"><l>2</l><block var="point"/></block></block></script><scripts><script x="74" y="119.19999999999999"><block s="doGlide"><l>1</l><block s="reportListItem"><l>1</l><block var="point"/></block><block s="reportListItem"><l>2</l><block var="point"/></block></block></script></scripts></block-definition><block-definition s="draw shape %&apos;list&apos;" type="command" category="motion"><header></header><code></code><translations></translations><inputs><input type="%l"></input></inputs><script><block s="doForEach"><l>item</l><block var="list"/><script><custom-block s="go to point %l"><block var="item"/></custom-block></script></block></script></block-definition><block-definition s="point %&apos;x&apos; %&apos;y&apos;" type="reporter" category="operators"><header></header><code></code><translations></translations><inputs><input type="%n"></input><input type="%n"></input></inputs><script><block s="doReport"><block s="reportNewList"><list><block var="x"/><block var="y"/></list></block></block></script></block-definition><block-definition s="x coordinate of %&apos;point&apos;" type="reporter" category="operators"><header></header><code></code><translations></translations><inputs><input type="%l"></input></inputs><script><block s="doReport"><block s="reportListItem"><l>1</l><block var="point"/></block></block></script></block-definition><block-definition s="y coordinate of %&apos;point&apos;" type="reporter" category="operators"><header></header><code></code><translations></translations><inputs><input type="%l"></input></inputs><script><block s="doReport"><block s="reportListItem"><l>1</l><block var="point"/></block></block></script></block-definition><block-definition s="draw both shapes %&apos;list 1&apos; %&apos;list 2&apos;" type="command" category="motion"><header></header><code></code><translations></translations><inputs><input type="%l"></input><input type="%l"></input></inputs><script><block s="clear"></block><block s="up"></block><block s="gotoXY"><l>-50</l><l>20</l></block><block s="down"></block><custom-block s="draw shape %l"><block var="A"/></custom-block><block s="up"></block><block s="gotoXY"><l>-13</l><l>-100</l></block><block s="down"></block><custom-block s="draw shape %l"><block var="T"/></custom-block><block s="up"></block></script></block-definition></blocks><variables><variable name="A"><list id="289"><item><list struct="atomic" id="290">-50,20</list></item><item><list struct="atomic" id="291">-10,120</list></item><item><list struct="atomic" id="292">10,120</list></item><item><list struct="atomic" id="293">50,20</list></item><item><list struct="atomic" id="294">30,20</list></item><item><list struct="atomic" id="295">20,50</list></item><item><list struct="atomic" id="296">-20,50</list></item><item><list struct="atomic" id="297">-30,20</list></item><item><list struct="atomic" id="298">-50,20</list></item></list></variable><variable name="T"><list id="299"><item><list struct="atomic" id="300">-13,-100</list></item><item><list struct="atomic" id="301">-13,-15</list></item><item><list struct="atomic" id="302">-55,-15</list></item><item><list struct="atomic" id="303">-55,5</list></item><item><list struct="atomic" id="304">55,5</list></item><item><list struct="atomic" id="305">55,-15</list></item><item><list struct="atomic" id="306">13,-15</list></item><item><list struct="atomic" id="307">13,-100</list></item></list></variable></variables></project><media name="U2L2P2-Abstract Data Types" app="Snap! 5.1, http://snap.berkeley.edu" version="1"></media></snapdata>