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‎.ipynb_checkpoints/week3-checkpoint.ipynb

Lines changed: 215 additions & 12 deletions
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@@ -36,15 +36,6 @@
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"get_longest_word(list1)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {
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"scrolled": false
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},
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"outputs": [],
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"source": []
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},
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{
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"cell_type": "markdown",
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"metadata": {},
@@ -111,7 +102,7 @@
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},
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{
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"cell_type": "code",
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"execution_count": 60,
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"execution_count": 2,
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"metadata": {},
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"outputs": [
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{
@@ -120,19 +111,231 @@
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"text": [
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"{'a': 1, 'b': 100, 'c': 77, 'd': 66, 'e': 55}\n"
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]
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},
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{
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"data": {
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"text/plain": [
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"[('a', 1), ('e', 55), ('d', 66), ('c', 77), ('b', 100)]"
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]
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},
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"execution_count": 2,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"dict1 = {'a':1, 'b':100, 'c':77, 'd':66, 'e':55}\n",
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"print(dict1)\n"
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"print(dict1)\n",
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"sorted(dict1.items(),key=lambda item:item[1])\n",
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"\n"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"4. Write a Python program to change a givern string to a new string where the first and last chars have been exchanged."
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]
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},
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{
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"cell_type": "code",
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"execution_count": 38,
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"ABCello worlXYZ\n"
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]
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}
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],
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"source": [
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"text1 = 'hello world'\n",
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"list1 = list(text1)\n",
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"list1[0] = 'ABC'\n",
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"list1[-1] = 'XYZ'\n",
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"text2 = ''.join(list1)\n",
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"print(text2)"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"5. Write a Python function that takes two lists and returns True if they have at least one common member."
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]
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},
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{
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"cell_type": "code",
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"execution_count": 66,
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"{'apple', 'banana'}\n",
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"true\n"
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]
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}
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],
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"source": [
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"list1 = ['apple', 'banana', 'resberry', 'avacado']\n",
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"list2 = ['apple', 'banana', 'strawberry', 'cherry']\n",
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"list3 = set(list1).intersection(set(list2))\n",
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"print(list3)\n",
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"if list3:\n",
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" print(\"true\")\n",
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"else:\n",
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" print(\"false\")\n",
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" "
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"6. Write a Python function that return the minimum number of coins ($0.01, $0.1, $0.25, $1) that make a given value."
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]
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},
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{
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"cell_type": "code",
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"execution_count": 93,
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"185 Need 5 Coins\n",
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"[10, 25, 25, 25, 100]\n"
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]
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}
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],
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"source": [
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"def returncoin(return_change, coins_list, number_list, used_list):\n",
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" for change in range(return_change+1): \n",
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" for currency in coins_list:\n",
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" if (change-currency >= 0) and (number_list[change-currency]+1<=number_list[change]):\n",
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" number_list[change] = number_list[change-currency] + 1\n",
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" used_list[change] = currency \n",
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" return\n",
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"\n",
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"def showchange(return_change, used_list):\n",
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" give_list = []\n",
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" while return_change > 0:\n",
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" give_list.append(used_list[return_change])\n",
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" return_change -= used_list[return_change]\n",
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" give_list.sort() \n",
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" return give_list\n",
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"\n",
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"def main():\n",
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" return_change = 185 # input value here\n",
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" coins_list = [1, 10, 25, 100]\n",
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" number_list = list(range(return_change+1)) \n",
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" used_list = list(range(return_change+1)) \n",
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" returncoin(return_change, coins_list, number_list, used_list)\n",
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" print(\"%d Need %d Coins\"%(return_change, number_list[return_change]))\n",
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" give_list = showchange(return_change, used_list)\n",
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" print(give_list)\n",
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" \n",
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"if __name__ == \"__main__\":\n",
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" main()"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 94,
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"15\n",
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"1\n",
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"0.09\n",
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"9\n",
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"The number of coins is 25\n",
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"10\n",
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"1\n",
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"The number of coins is 11\n",
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"10\n",
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"The number of coins is 10\n",
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"0\n",
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"1\n",
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"0.0\n",
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"0\n",
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"The number of coins is 1\n",
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"0\n",
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"1\n",
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"1\n",
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"The number of coins is 2\n"
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]
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}
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],
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"source": [
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"def num_Coins(value):\n",
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" coin_1 = int(value)\n",
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" print(coin_1)\n",
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" number_01 = round(value - coin_1, 2)\n",
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" if number_01>=0.25:\n",
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" coin_2 = int(number_01/0.25)\n",
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" print(coin_2)\n",
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" number_02 = round(number_01-coin_2*0.25,2)\n",
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" print(number_02)\n",
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" if number_02>=0.1:\n",
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" coin_3 = int(number_02/0.1)\n",
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" print(coin_3)\n",
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" number_03 = round(number_02-coin_3*0.1,2)\n",
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" coin_4 = int(number_03/0.01)\n",
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" print(coin_4)\n",
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" total = coin_1+coin_2+coin_3+coin_4\n",
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" print('The number of coins is %d'%int(total))\n",
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" else:\n",
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" coin_3 = int(number_02/0.01)\n",
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" print(coin_3)\n",
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" total = coin_1+coin_2+coin_3\n",
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" print('The number of coins is %d'%int(total))\n",
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" elif number_01 !=0:\n",
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" if number_01>=0.1:\n",
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" coin_2 = int(number_01/0.1)\n",
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" print(coin_2)\n",
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" number_02 = round(number_01-coin_2*0.1,2)\n",
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" coin_3 = int(number_02/0.01)\n",
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" print(coin_3)\n",
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" total = coin_1+coin_2+coin_3\n",
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" print('The number of coins is %d'%int(total))\n",
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" else:\n",
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" coin_2 = int(number_01/0.01)\n",
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" print(coin_2)\n",
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" total = coin_1+coin_2\n",
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" print('The number of coins is %d'%int(total))\n",
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" else:\n",
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" print('The number of coins is %d'%int(coin_1))\n",
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"if __name__ == '__main__':\n",
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" price1 = 15.34\n",
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" price2 = 10.01\n",
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" price3 = 10.00\n",
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" price4 = 0.25\n",
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" price5 = 0.11\n",
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" num_Coins(price1)\n",
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" num_Coins(price2)\n",
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" num_Coins(price3)\n",
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" num_Coins(price4)\n",
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" num_Coins(price5)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": []
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"source": [
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"def change(coin1, coin2, coin3, coin4): #$0.01, $0.1, $0.25, $1\n",
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" \n"
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]
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}
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],
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"metadata": {

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