henri-2-2-21.ipynb

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 "cells": [
  {
   "source": [
    "# Expressions"
   ],
   "cell_type": "markdown",
   "metadata": {}
  },
  {
   "source": [
    "from Expression import Int\n",
    "from henri_2_2_21 import questions"
   ],
   "cell_type": "code",
   "metadata": {},
   "execution_count": 7,
   "outputs": []
  },
  {
   "source": [
    "### Integers\n",
    "\n",
    "An Integer is a whole number, like `1`, `-1`, `-29`, and `1,000`.  We're going to learn how to write Integers using a python `class` called `Int`."
   ],
   "cell_type": "markdown",
   "metadata": {}
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {},
   "outputs": [
    {
     "output_type": "execute_result",
     "data": {
      "text/plain": [
       "{'1': 1, '-1': -1, '-29': 29, '1,000': 1000}"
      ]
     },
     "metadata": {},
     "execution_count": 6
    }
   ],
   "source": [
    "{\n",
    "    \"1\": Int(1),\n",
    "    \"-1\": Int(-1),\n",
    "    \"-29\": Int(29),\n",
    "    \"1,000\": Int(1000)\n",
    "}"
   ]
  },
  {
   "source": [
    "How do you write `10`, `812`, `-812`, and `1,000` using `Int`?"
   ],
   "cell_type": "markdown",
   "metadata": {}
  },
  {
   "source": [
    "### Addition"
   ],
   "cell_type": "markdown",
   "metadata": {}
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [],
   "source": [
    "from Expression import Plus"
   ]
  },
  {
   "source": [
    "A `Plus` is a class similar to `Int`, but is used to to add two integers together.  For example, I can write `3 + 4` by writing `3` and `4` as `Int`s, and by putting them inside of a `Plus`."
   ],
   "cell_type": "markdown",
   "metadata": {}
  },
  {
   "source": [
    "[Plus(Int(3), Int(4))]"
   ],
   "cell_type": "code",
   "metadata": {},
   "execution_count": 6,
   "outputs": [
    {
     "output_type": "execute_result",
     "data": {
      "text/plain": [
       "[3 + 4]"
      ]
     },
     "metadata": {},
     "execution_count": 6
    }
   ]
  },
  {
   "source": [
    "How do you write `4 + -5`, `1,000 + 10`, `0 + 0` using `Plus`?"
   ],
   "cell_type": "markdown",
   "metadata": {}
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "metadata": {},
   "outputs": [
    {
     "output_type": "execute_result",
     "data": {
      "text/plain": [
       "[]"
      ]
     },
     "metadata": {},
     "execution_count": 10
    }
   ],
   "source": [
    "[]"
   ]
  },
  {
   "source": [
    "How do you write `(1 + 2) + 3` using `Plus`?"
   ],
   "cell_type": "markdown",
   "metadata": {}
  },
  {
   "source": [
    "How do you write `1 + (2 + 3)` using `Plus`?"
   ],
   "cell_type": "markdown",
   "metadata": {}
  },
  {
   "source": [
    "[]"
   ],
   "cell_type": "code",
   "metadata": {},
   "execution_count": 1,
   "outputs": [
    {
     "output_type": "execute_result",
     "data": {
      "text/plain": [
       "[]"
      ]
     },
     "metadata": {},
     "execution_count": 1
    }
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [
    {
     "output_type": "execute_result",
     "data": {
      "text/plain": [
       "[]"
      ]
     },
     "metadata": {},
     "execution_count": 2
    }
   ],
   "source": [
    "[]"
   ]
  },
  {
   "source": [
    "### Equals"
   ],
   "cell_type": "markdown",
   "metadata": {}
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [],
   "source": [
    "from Expression import Equals"
   ]
  },
  {
   "source": [],
   "cell_type": "markdown",
   "metadata": {}
  }
 ]
}