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{
"cells": [
{
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"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Original dictionary : {1: 2, 3: 4, 4: 3, 2: 1, 0: 0}\n",
"Dictionary in ascending order by value : [(0, 0), (1, 2), (2, 1), (3, 4), (4, 3)]\n",
"Dictionary in descending order by value : [(4, 3), (3, 4), (2, 1), (1, 2), (0, 0)]\n"
]
}
],
"source": [
"# Write a Python program to sort (ascending and descending) a dictionary by value.\n",
"# Original dictionary : {0: 0, 1: 2, 2: 1, 3: 4, 4: 3} \n",
"# Dictionary in ascending order by value : [(0, 0), (1, 2), (2, 1), (3, 4), (4, 3)] \n",
"# Dictionary in descending order by value : [(4, 3), (3, 4), (2, 1), (1, 2), (0, 0)]\n",
"\n",
"import operator\n",
"\n",
"d = {1: 2, 3: 4, 4: 3, 2: 1, 0: 0}\n",
"print('Original dictionary : ',d)\n",
"sorted_d = sorted(d.items(), key=operator.itemgetter(0))\n",
"print('Dictionary in ascending order by value : ',sorted_d)\n",
"sorted_d = sorted(d.items(), key=operator.itemgetter(0),reverse=True)\n",
"print('Dictionary in descending order by value : ',sorted_d)\n"
]
}
],
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