{
 "cells": [
  {
   "cell_type": "markdown",
   "id": "338584ee",
   "metadata": {},
   "source": [
    "# This is for practicing with Jupyter notebooks"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "7697c0b6",
   "metadata": {},
   "source": [
    "There are two types of cells: __Markdown cells__ and __Code cells__."
   ]
  },
  {
   "cell_type": "markdown",
   "id": "f175b572",
   "metadata": {},
   "source": [
    "This is a Markdown cell. You can use this to a write an introdution to what the notebook is about, or to write description for your code fragment below and what it does, etc."
   ]
  },
  {
   "cell_type": "markdown",
   "id": "50183206",
   "metadata": {},
   "source": [
    "<div class=\"alert alert-success\" role=\"alert\">\n",
    "  <h3>Task 1: Create a Markdown cell</h3> <br>\n",
    "  1) Create a new MARKDOWN cell below<br>\n",
    "  2) Type whatever you want in the new cell!\n",
    "</div>\n"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "398371a1",
   "metadata": {},
   "source": [
    "<div class=\"alert alert-success\" role=\"alert\">\n",
    "  <h3>Task 2: Editing a Markdown cell</h3> <br>\n",
    "  Practice editing a Markdown cell. You can double click to edit, and then press ESCAPE to stop editing.\n",
    "</div>\n"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "faebc942",
   "metadata": {},
   "source": [
    "Here is a practice cell you can edit."
   ]
  },
  {
   "cell_type": "markdown",
   "id": "1ae6cf3c",
   "metadata": {},
   "source": [
    "***\n",
    "Next, we have a code cell. Execute it now by pressing SHIFT-ENTER"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "f8c3df6e",
   "metadata": {},
   "outputs": [],
   "source": [
    "print('This is a code cell')"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "01b05760",
   "metadata": {},
   "source": [
    "<div class=\"alert alert-success\" role=\"alert\">\n",
    "  <h3>Task 3: Code cell</h3> <br>\n",
    "  1) Create a new CODE cell below<br>\n",
    "  2) Copy the print statement from the cell above<br>\n",
    "  3) Change it to print \"This is MY code cell\"<br>\n",
    "</div>"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "bc0dfb12",
   "metadata": {},
   "source": [
    "***"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "829f27d9",
   "metadata": {},
   "source": [
    "<div class=\"alert alert-success\" role=\"alert\">\n",
    "  <h3>Task 4: Practice with running code and restarting the kernel</h3> <br>\n",
    "  1) Execute the different cells below. <br>\n",
    "  2) Restart the kernel. Skip excuting the \"a=2\" cell, and then execute the rest. Observe what happens.\n",
    "</div>"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "id": "abe699d3",
   "metadata": {},
   "outputs": [],
   "source": [
    "a = 2"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "id": "651b7f67",
   "metadata": {},
   "outputs": [],
   "source": [
    "a = 4"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "id": "4ab3181e",
   "metadata": {},
   "outputs": [],
   "source": [
    "b = 1"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "id": "8d11d415",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "5"
      ]
     },
     "execution_count": 8,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "a + b"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "390ff65b",
   "metadata": {},
   "outputs": [],
   "source": []
  }
 ],
 "metadata": {
  "kernelspec": {
   "display_name": "Python 3",
   "language": "python",
   "name": "python3"
  },
  "language_info": {
   "codemirror_mode": {
    "name": "ipython",
    "version": 3
   },
   "file_extension": ".py",
   "mimetype": "text/x-python",
   "name": "python",
   "nbconvert_exporter": "python",
   "pygments_lexer": "ipython3",
   "version": "3.7.9"
  }
 },
 "nbformat": 4,
 "nbformat_minor": 5
}