{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Practice Problems\n",
    "### Lecture 10\n",
    "Answer each number in a separate cell\n",
    "\n",
    "Rename this notebook with your last name, first initial and the lecture \n",
    "    \n",
    "    ex. Cych_B_10\n",
    "    \n",
    "Turn-in this notebook on Canvas."
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "1. Classes\n",
    "    - Create a class called Rectangle with width and height (w,h) as attributes\n",
    "    - include a docstring\n",
    "    - define two methods: area and perimeter\n",
    "        - area calculates the area of the rectangle\n",
    "        - perimeter calculates the perimeter of the rectangle\n",
    "        - include a docstring with each method\n",
    "    - Create a new instance of the Rectangle class with width 1 and length 4.\n",
    "    - Create a second instance of the Rectangle class with width 4 and length 4\n",
    "    - Call the method **area( )** on both your first and second Rectangle object. Print the area\n",
    "    - Call the method **perimeter( )** on your second Rectangle object and save the outcome in a new variable. Print the value of the new variable\n",
    "\n",
    "2. Classes in modules\n",
    "    - Rename the Rectangle class **Rect** and save it to a module called **Shapes.py**. Now we can import and re-use it whenever we like.  \n",
    "    - Do this by:\n",
    "        - copy the class definition code block into your text file window\n",
    "            - save it to this directory using the %%writefile magic command\n",
    "        - import the Rect class into your Practice Problems notebook\n",
    "        - Create a new instance of the Rect class.\n",
    "        - Call the methods **area( )** and **perimeter( )** and print out the output\n",
    "    \n",
    "3. Copies\n",
    "    - using your **Shapes** module, make an instance of Rectangle called **rec** with a length and width of 2 and 4\n",
    "    - make a copy of **rec** called **copy**\n",
    "    - make a deepcopy of **copy** called **deep**\n",
    "    - change the length of **copy** to 3\n",
    "    - print out rec.length, copy.length, deep.length "
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "**Reminder**: \n",
    "If you have changed a module and you need to import the changes into the jupyter notebook, then \n",
    "execute the command: \n",
    "\n",
    "**from importlib import reload**\n",
    "\n",
    "Then you can use this command to refresh your module in the notebook:\n",
    "\n",
    "**reload(yourModuleName)**"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "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": "3.6.7"
  }
 },
 "nbformat": 4,
 "nbformat_minor": 2
}