Python Sets

Sets.ipynb

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    "<center>\n",
    "    <img src=\"https://cf-courses-data.s3.us.cloud-object-storage.appdomain.cloud/IBMDeveloperSkillsNetwork-PY0101EN-SkillsNetwork/IDSNlogo.png\" width=\"300\" alt=\"cognitiveclass.ai logo\"  />\n",
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   "source": [
    "<h3>Cast a List to a Set </h3>\n"
   ]
  },
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   "cell_type": "markdown",
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   "source": [
    "Cast the following list to a set:\n"
   ]
  },
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   "cell_type": "code",
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   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "{'A', 'B', 'C'}"
      ]
     },
     "execution_count": 1,
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   "source": [
    "list = ['A','B','C','A','B','C']\n",
    "set(list)\n",
    "\n"
   ]
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   "cell_type": "markdown",
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   "source": [
    "<details><summary>Click here for the solution</summary>\n",
    "\n",
    "```python\n",
    "set(['A','B','C','A','B','C'])\n",
    "\n",
    "```\n",
    "\n",
    "</details>\n"
   ]
  },
  {
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   "source": [
    "<h3>Add an Element to the Set</h3> \n"
   ]
  },
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   "source": [
    "Add the string  <code>'D'</code> to the set S.\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [
    {
     "ename": "TypeError",
     "evalue": "unhashable type: 'set'",
     "output_type": "error",
     "traceback": [
      "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
      "\u001b[0;31mTypeError\u001b[0m                                 Traceback (most recent call last)",
      "\u001b[0;32m<ipython-input-2-57e7c80fbeac>\u001b[0m in \u001b[0;36m<module>\u001b[0;34m\u001b[0m\n\u001b[1;32m      1\u001b[0m \u001b[0mS\u001b[0m\u001b[0;34m=\u001b[0m\u001b[0;34m{\u001b[0m\u001b[0;34m'A'\u001b[0m\u001b[0;34m,\u001b[0m\u001b[0;34m'B'\u001b[0m\u001b[0;34m,\u001b[0m\u001b[0;34m'C'\u001b[0m\u001b[0;34m}\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m----> 2\u001b[0;31m \u001b[0mS\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0madd\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m{\u001b[0m\u001b[0;34m'D'\u001b[0m\u001b[0;34m}\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m",
      "\u001b[0;31mTypeError\u001b[0m: unhashable type: 'set'"
     ]
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   "source": [
    "S={'A','B','C'}\n",
    "S.add({'D'})\n",
    "\n"
   ]
  },
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   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<details><summary>Click here for the solution</summary>\n",
    "\n",
    "```python\n",
    "S.add('D')\n",
    "S\n",
    "\n",
    "```\n",
    "\n",
    "</details>\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<h3>Intersection of Sets</h3> \n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Find the intersection of set <code>A</code> and <code>B</code>.\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "A={1,2,3,4,5}\n",
    "B={1,3,9, 12}\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<details><summary>Click here for the solution</summary>\n",
    "\n",
    "```Python\n",
    "A & B\n",
    "\n",
    "```\n",
    "\n",
    "OR\n",
    "\n",
    "```Python\n",
    "A.intersection(B)\n",
    "```\n",
    "\n",
    "</details>\n"
   ]
  },
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   "metadata": {},
   "source": [
    "<hr>\n",
    "\n"
   ]
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