{
 "cells": [
  {
   "cell_type": "markdown",
   "id": "b8c2a09f-6a32-4fc1-ae61-086ef4cff2ef",
   "metadata": {},
   "source": [
    "# Jupyter notebook basics\n",
    "\n",
    "This notebook demonstrates how to use Jupyter notebooks:\n",
    "\n",
    "- Cell types (markdown vs code)\n",
    "- Running code\n",
    "- Execution order\n",
    "- Kernel behavior"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "id": "5ad2f245-fc0a-4ba1-8a8b-802d7d515903",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "This notebook is connected to a Python 3.10 kernel\n"
     ]
    }
   ],
   "source": [
    "print('This notebook is connected to a Python 3.10 kernel')"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "b28df720-159c-4e23-a2b1-54e450111081",
   "metadata": {},
   "source": [
    "## Execution order"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "id": "148a4d95-646b-4395-9933-05048fea27a8",
   "metadata": {},
   "outputs": [],
   "source": [
    "user_name = 'George'"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "id": "e1663f35-3502-4cd4-b074-135ace3209fd",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "George\n"
     ]
    }
   ],
   "source": [
    "print(user_name)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "id": "a0a3b842-83bb-4705-a402-2d57c447cae7",
   "metadata": {},
   "outputs": [],
   "source": [
    "user_name = 'Laura'"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "id": "9d4a0aea-d62f-4f8a-9445-7286f1f51108",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Laura\n"
     ]
    }
   ],
   "source": [
    "print(user_name)"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "b8359c22-2b1b-4b8b-84cb-1ef73ba4a972",
   "metadata": {},
   "source": [
    "## Errors"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "id": "73daca90-7fc4-4fdb-9011-1fa24c86a8e7",
   "metadata": {},
   "outputs": [
    {
     "ename": "SyntaxError",
     "evalue": "'(' was never closed (4255644718.py, line 1)",
     "output_type": "error",
     "traceback": [
      "\u001b[0;36m  File \u001b[0;32m\"/tmp/ipykernel_307/4255644718.py\"\u001b[0;36m, line \u001b[0;32m1\u001b[0m\n\u001b[0;31m    print('This is a syntax error'\u001b[0m\n\u001b[0m         ^\u001b[0m\n\u001b[0;31mSyntaxError\u001b[0m\u001b[0;31m:\u001b[0m '(' was never closed\n"
     ]
    }
   ],
   "source": [
    "print('This is a syntax error'"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "id": "83a2c682-f81a-4ffe-93c0-8cd3570989b8",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "The next line is a runtime error\n"
     ]
    },
    {
     "ename": "NameError",
     "evalue": "name 'undefined_var' is not defined",
     "output_type": "error",
     "traceback": [
      "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
      "\u001b[0;31mNameError\u001b[0m                                 Traceback (most recent call last)",
      "\u001b[0;32m/tmp/ipykernel_307/2790303741.py\u001b[0m in \u001b[0;36m<cell line: 2>\u001b[0;34m()\u001b[0m\n\u001b[1;32m      1\u001b[0m \u001b[0mprint\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m'The next line is a runtime error'\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[0mprint\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mundefined_var\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m",
      "\u001b[0;31mNameError\u001b[0m: name 'undefined_var' is not defined"
     ]
    }
   ],
   "source": [
    "print('The next line is a runtime error')\n",
    "print(undefined_var)"
   ]
  }
 ],
 "metadata": {
  "kernelspec": {
   "display_name": "Python 3 [3.10]",
   "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": "3.10.2"
  }
 },
 "nbformat": 4,
 "nbformat_minor": 5
}