Week 40

Author: asubramanian08

Week40.ipynb

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+    "## Lecture: Sets\n",
+    "\n",
+    "Imagine a set a a bag of items. You can add and remove from that bag but it is **unordered**.\n",
+    "\n",
+    "The difference between a set and a list isn't that a set is ordered while a list is. That what makes the set so fast.\n",
+    "\n",
+    "A set's three main operations are inserts, deletes, and look ups. Example of a set look up:\n",
+    "```python\n",
+    "s = {}\n",
+    "x = 3 # some arbitrary number\n",
+    "...\n",
+    "if (x in s)\n",
+    "    print(\"The value \" + x + \" is in set s\")\n",
+    "else\n",
+    "    print(\"The value \" + x + \" is not in set s\")\n",
+    "...\n",
+    "```\n",
+    "\n",
+    "See this [link](https://www.w3schools.com/python/python_sets.asp) for how to use sets in python."
+   ]
+  }
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