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{
"cells": [
{
"cell_type": "code",
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"metadata": {},
"outputs": [
{
"name": "stdout",
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"text": [
"Key is present in the dictionary\n",
"Key is not present in the dictionary\n"
]
}
],
"source": [
"# ---------------------------------------------------------------\n",
"# python best courses https://courses.tanpham.org/\n",
"# ---------------------------------------------------------------\n",
"# Check if a given key already exists in a dictionary\n",
"# input\n",
"# d = {1: 10, 2: 20, 3: 30, 4: 40, 5: 50, 6: 60}\n",
"# is_key_present(5)\n",
"# is_key_present(9)\n",
"# output\n",
"# Key is present in the dictionary \n",
"# Key is not present in the dictionary\n",
"\n",
"d = {1: 10, 2: 20, 3: 30, 4: 40, 5: 50, 6: 60}\n",
"def is_key_present(x):\n",
" if x in d:\n",
" print('Key is present in the dictionary')\n",
" else:\n",
" print('Key is not present in the dictionary')\n",
"is_key_present(5)\n",
"is_key_present(9)\n"
]
}
],
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