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{
"cells": [
{
"cell_type": "markdown",
"id": "9da34557-037a-436f-bbaa-d332057cbe18",
"metadata": {},
"source": [
"# a fruit tree with a variety of fruits hanging, each enclosed in a picture frame. "
]
},
{
"cell_type": "code",
"execution_count": 11,
"id": "01acaa97-796a-4e34-9ee3-a46e71493d9d",
"metadata": {},
"outputs": [],
"source": [
"fruit_list = [\"apricot\",\"blood_orange\",\"currant\",\"durian\",\"egg_fruit\",\"fig\",\"guava\",\n",
" \"hawthorne\",\"jujube\",\"kiwi\",\"lychee\",\"mandarin\",\"nectarine\",\"olive\",\"persimmon\",\"quandong\",\"rambutan\",\"star_fruit\",\n",
" \"tangor\",\"ugli_fruit\",\"vanilla\",\"water_chestnut\",\"ximenia\",\"yuzu\",\"zhe\"]\n",
"# additionally: longan yumberry sugarcane "
]
},
{
"cell_type": "code",
"execution_count": 12,
"id": "08ab8673-9b5c-4bd0-9fac-72796e831b94",
"metadata": {},
"outputs": [],
"source": [
"# build the fruit motley tree with extra utilities than the letter tree"
]
},
{
"cell_type": "code",
"execution_count": 13,
"id": "9c7187e4-0c49-4908-a169-775e6e475f94",
"metadata": {},
"outputs": [],
"source": [
"class letterLeaf:\n",
" def __init__(self,wordFruit,path):\n",
" self.leftAlphabet = None\n",
" self.rightAlphabet = None\n",
" self.wordFruit = wordFruit\n",
" # try using a list structure to contain the words in this node? \n",
" self.path = path"
]
},
{
"cell_type": "code",
"execution_count": 14,
"id": "11dbf280-6c61-4020-bfe7-e85a723697db",
"metadata": {},
"outputs": [],
"source": [
"# printing tree utility \n",
"# the display cannot indent?\n",
"from IPython.display import Image\n",
"COUNT = [10]\n",
"\n",
"# print a flat lying tree\n",
"# speculation： this is a recursion that prints the right leaf until there is nothing left\n",
"def print2DUtil_flat(root, space) :\n",
" # Base case\n",
" if (root == None) :\n",
" return\n",
" # Increase distance between levels\n",
" space += COUNT[0]\n",
" print2DUtil_flat(root.rightAlphabet, space)\n",
" print()\n",
" \n",
" for i in range(COUNT[0], space):\n",
" print(end = \" \")\n",
" url_tree = root.path\n",
" i = Image(url= url_tree, width=30, height=30)\n",
" display(i)\n",
"\n",
" for i in range(COUNT[0], space):\n",
" print(end = \" \")\n",
" print(root.wordFruit)\n",
" print2DUtil_flat(root.leftAlphabet, space)\n",
"\n",
" # Wrapper over print2DUtil()\n",
"def print2D(root) :\n",
" #Pass initial space count as 0\n",
" print(\"here is a tree that's laying on the ground: \")\n",
" # import image module\n",
" # get the image\n",
" print2DUtil_flat(root, 0)\n"
]
},
{
"cell_type": "code",
"execution_count": 15,
"id": "d0bcd376-491e-48e9-8bd9-e10d91346d7f",
"metadata": {},
"outputs": [],
"source": [
"def urljoin(wordFruit):\n",
" url = \"images/pic_tree_fruit_img/\" + wordFruit + \".png\"\n",
" return url "
]
},
{
"cell_type": "code",
"execution_count": 16,
"id": "7a12a00f-f7b0-4234-a06c-54c6f3d1daf1",
"metadata": {},
"outputs": [],
"source": [
"def insertLeaf(root,wordFruit):\n",
" #create new leaf \n",
" url = urljoin(wordFruit)\n",
" newleaf = letterLeaf(wordFruit,url)\n",
" #print(\"creating leaf with word = {} url = {}\".format(newleaf.wordFruit,newleaf.path))\n",
"\n",
" # python pointer implementation\n",
" # a root pointer \n",
" x = root\n",
" # pointer y maintains the trailing\n",
" # pointer of x\n",
" # Pointer to start traversing from root\n",
" # and traverses downward path to search\n",
" # where the new node to be inserted\n",
" x = root\n",
"\n",
" # Pointer y maintains the trailing\n",
" # pointer of x\n",
" y = None\n",
"\n",
" while (x != None):\n",
" y = x\n",
" if (wordFruit < x.wordFruit):\n",
" x = x.leftAlphabet\n",
" else:\n",
" x = x.rightAlphabet\n",
" \n",
" # If the root is None i.e the tree is\n",
" # empty. The new node is the root node\n",
" if (y == None):\n",
" y = newleaf\n",
"\n",
" # If the new key is less then the leaf node key\n",
" # Assign the new node to be its left child\n",
" elif (wordFruit < y.wordFruit):\n",
" y.leftAlphabet = newleaf\n",
"\n",
" # else assign the new node its\n",
" # right child\n",
" else:\n",
" y.rightAlphabet = newleaf\n",
"\n",
" # Returns the pointer where the\n",
" # new node is inserted\n",
" return y\n",
"\n",
"\n",
"# A utility function to do inorder\n",
"# traversal of BST"
]
},
{
"cell_type": "code",
"execution_count": 17,
"id": "dc2230e9-0831-4e3c-93b8-c96d20fd0525",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"here is a tree that's laying on the ground: \n",
"\n",
" "
]
},
{
"data": {
"text/html": [
"<img src=\"images/pic_tree_fruit_img/zhe.png\" width=\"30\" height=\"30\"/>"
],
"text/plain": [
"<IPython.core.display.Image object>"
]
},
"metadata": {},
"output_type": "display_data"
},
{
"name": "stdout",
"output_type": "stream",
"text": [
" zhe\n",
"\n",
" "
]
},
{
"data": {
"text/html": [
"<img src=\"images/pic_tree_fruit_img/yuzu.png\" width=\"30\" height=\"30\"/>"
],
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},
"metadata": {},
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},
{
"name": "stdout",
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"text": [
" yuzu\n",
"\n",
" "
]
},
{
"data": {
"text/html": [
"<img src=\"images/pic_tree_fruit_img/ximenia.png\" width=\"30\" height=\"30\"/>"
],
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"<IPython.core.display.Image object>"
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"text": [
" ximenia\n",
"\n",
" "
]
},
{
"data": {
"text/html": [
"<img src=\"images/pic_tree_fruit_img/water_chestnut.png\" width=\"30\" height=\"30\"/>"
],
"text/plain": [
"<IPython.core.display.Image object>"
]
},
"metadata": {},
"output_type": "display_data"
},
{
"name": "stdout",
"output_type": "stream",
"text": [
" water_chestnut\n",
"\n",
" "
]
},
{
"data": {
"text/html": [
"<img src=\"images/pic_tree_fruit_img/vanilla.png\" width=\"30\" height=\"30\"/>"
],
"text/plain": [
"<IPython.core.display.Image object>"
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},
"metadata": {},
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"name": "stdout",
"output_type": "stream",
"text": [
" vanilla\n",
"\n",
" "
]
},
{
"data": {
"text/html": [
"<img src=\"images/pic_tree_fruit_img/ugli_fruit.png\" width=\"30\" height=\"30\"/>"
],
"text/plain": [
"<IPython.core.display.Image object>"
]
},
"metadata": {},
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},
{
"name": "stdout",
"output_type": "stream",
"text": [
" ugli_fruit\n",
"\n",
" "
]
},
{
"data": {
"text/html": [
"<img src=\"images/pic_tree_fruit_img/tangor.png\" width=\"30\" height=\"30\"/>"
],
"text/plain": [
"<IPython.core.display.Image object>"
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},
"metadata": {},
"output_type": "display_data"
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{
"name": "stdout",
"output_type": "stream",
"text": [
" tangor\n",
"\n",
" "
]
},
{
"data": {
"text/html": [
"<img src=\"images/pic_tree_fruit_img/star_fruit.png\" width=\"30\" height=\"30\"/>"
],
"text/plain": [
"<IPython.core.display.Image object>"
]
},
"metadata": {},
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{
"name": "stdout",
"output_type": "stream",
"text": [
" star_fruit\n",
"\n",
" "
]
},
{
"data": {
"text/html": [
"<img src=\"images/pic_tree_fruit_img/rambutan.png\" width=\"30\" height=\"30\"/>"
],
"text/plain": [
"<IPython.core.display.Image object>"
]
},
"metadata": {},
"output_type": "display_data"
},
{
"name": "stdout",
"output_type": "stream",
"text": [
" rambutan\n",
"\n",
" "
]
},
{
"data": {
"text/html": [
"<img src=\"images/pic_tree_fruit_img/quandong.png\" width=\"30\" height=\"30\"/>"
],
"text/plain": [
"<IPython.core.display.Image object>"
]
},
"metadata": {},
"output_type": "display_data"
},
{
"name": "stdout",
"output_type": "stream",
"text": [
" quandong\n",
"\n",
" "
]
},
{
"data": {
"text/html": [
"<img src=\"images/pic_tree_fruit_img/persimmon.png\" width=\"30\" height=\"30\"/>"
],
"text/plain": [
"<IPython.core.display.Image object>"
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},
"metadata": {},
"output_type": "display_data"
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{
"name": "stdout",
"output_type": "stream",
"text": [
" persimmon\n",
"\n",
" "
]
},
{
"data": {
"text/html": [
"<img src=\"images/pic_tree_fruit_img/olive.png\" width=\"30\" height=\"30\"/>"
],
"text/plain": [
"<IPython.core.display.Image object>"
]
},
"metadata": {},
"output_type": "display_data"
},
{
"name": "stdout",
"output_type": "stream",
"text": [
" olive\n",
"\n",
" "
]
},
{
"data": {
"text/html": [
"<img src=\"images/pic_tree_fruit_img/nectarine.png\" width=\"30\" height=\"30\"/>"
],
"text/plain": [
"<IPython.core.display.Image object>"
]
},
"metadata": {},
"output_type": "display_data"
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"name": "stdout",
"output_type": "stream",
"text": [
" nectarine\n",
"\n",
" "
]
},
{
"data": {
"text/html": [
"<img src=\"images/pic_tree_fruit_img/mandarin.png\" width=\"30\" height=\"30\"/>"
],
"text/plain": [
"<IPython.core.display.Image object>"
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"output_type": "display_data"
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"name": "stdout",
"output_type": "stream",
"text": [
" mandarin\n",
"\n",
" "
]
},
{
"data": {
"text/html": [
"<img src=\"images/pic_tree_fruit_img/lychee.png\" width=\"30\" height=\"30\"/>"
],
"text/plain": [
"<IPython.core.display.Image object>"
]
},
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"output_type": "display_data"
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"name": "stdout",
"output_type": "stream",
"text": [
" lychee\n",
"\n",
" "
]
},
{
"data": {
"text/html": [
"<img src=\"images/pic_tree_fruit_img/kiwi.png\" width=\"30\" height=\"30\"/>"
],
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"name": "stdout",
"output_type": "stream",
"text": [
" kiwi\n",
"\n",
" "
]
},
{
"data": {
"text/html": [
"<img src=\"images/pic_tree_fruit_img/jujube.png\" width=\"30\" height=\"30\"/>"
],
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"<IPython.core.display.Image object>"
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},
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"output_type": "stream",
"text": [
" jujube\n",
"\n",
" "
]
},
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"data": {
"text/html": [
"<img src=\"images/pic_tree_fruit_img/hawthorne.png\" width=\"30\" height=\"30\"/>"
],
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"text": [
" hawthorne\n",
"\n",
" "
]
},
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"data": {
"text/html": [
"<img src=\"images/pic_tree_fruit_img/guava.png\" width=\"30\" height=\"30\"/>"
],
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"name": "stdout",
"output_type": "stream",
"text": [
" guava\n",
"\n",
" "
]
},
{
"data": {
"text/html": [
"<img src=\"images/pic_tree_fruit_img/fig.png\" width=\"30\" height=\"30\"/>"
],
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"name": "stdout",
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"text": [
" fig\n",
"\n",
" "
]
},
{
"data": {
"text/html": [
"<img src=\"images/pic_tree_fruit_img/egg_fruit.png\" width=\"30\" height=\"30\"/>"
],
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"<IPython.core.display.Image object>"
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"metadata": {},
"output_type": "display_data"
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"name": "stdout",
"output_type": "stream",
"text": [
" egg_fruit\n",
"\n",
" "
]
},
{
"data": {
"text/html": [
"<img src=\"images/pic_tree_fruit_img/durian.png\" width=\"30\" height=\"30\"/>"
],
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"output_type": "stream",
"text": [
" durian\n",
"\n",
" "
]
},
{
"data": {
"text/html": [
"<img src=\"images/pic_tree_fruit_img/currant.png\" width=\"30\" height=\"30\"/>"
],
"text/plain": [
"<IPython.core.display.Image object>"
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},
"metadata": {},
"output_type": "display_data"
},
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"name": "stdout",
"output_type": "stream",
"text": [
" currant\n",
"\n",
" "
]
},
{
"data": {
"text/html": [
"<img src=\"images/pic_tree_fruit_img/blood_orange.png\" width=\"30\" height=\"30\"/>"
],
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]
},
"metadata": {},
"output_type": "display_data"
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"name": "stdout",
"output_type": "stream",
"text": [
" blood_orange\n",
"\n"
]
},
{
"data": {
"text/html": [
"<img src=\"images/pic_tree_fruit_img/apricot.png\" width=\"30\" height=\"30\"/>"
],
"text/plain": [
"<IPython.core.display.Image object>"
]
},
"metadata": {},
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"text": [
"apricot\n"
]
}
],
"source": [
"# same deal, insert everything in the list until it's empty \n",
"import random\n",
"\n",
"root = None\n",
"# pick a random letter in the alphabet\n",
"random_fruit = random.choice(fruit_list)\n",
"#print(random_letter)\n",
"#insert it into the tree, insert the first one \n",
"root = insertLeaf(root, random_fruit)\n",
"# remove that letter from list\n",
"fruit_list.remove(random_fruit)\n",
"#print(fruit_list)\n",
"len_list = (len(fruit_list))\n",
"#print(len_list)\n",
"while len_list > 0:\n",
" random_fruit = random.choice(fruit_list)\n",
" insertLeaf(root,random_fruit)\n",
" fruit_list.remove(random_fruit)\n",
" #print(\"inserting and removing letter {} \".format(random_letter))\n",
" len_list -= 1\n",
"# keep inserting until the list is empty \n",
"# print tree \n",
"print2D(root)\n",
"# can try multiple times for different tree configurations\n"
]
}
],
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