{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# A bot in the shell"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "metadata": {},
   "outputs": [
    {
     "name": "stdin",
     "output_type": "stream",
     "text": [
      ">>> hello\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "<<< oh hello!\n"
     ]
    },
    {
     "name": "stdin",
     "output_type": "stream",
     "text": [
      ">>> and this\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "<<< What did you say?\n"
     ]
    },
    {
     "name": "stdin",
     "output_type": "stream",
     "text": [
      ">>> hello\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "<<< oh hello!\n"
     ]
    },
    {
     "name": "stdin",
     "output_type": "stream",
     "text": [
      ">>> yes i don't know what to say\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "<<< What did you say?\n"
     ]
    },
    {
     "name": "stdin",
     "output_type": "stream",
     "text": [
      ">>> hello\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "<<< oh hello!\n"
     ]
    },
    {
     "name": "stdin",
     "output_type": "stream",
     "text": [
      ">>> exit\n"
     ]
    }
   ],
   "source": [
    "def get_reply(message):\n",
    "    if \"hello\" in message:\n",
    "        reply = \"oh hello!\"\n",
    "    else:\n",
    "        reply = None\n",
    "\n",
    "    return reply\n",
    "        \n",
    "while True:\n",
    "    message = input(\">>>\")\n",
    "    if message == \"exit\":\n",
    "        break\n",
    "    \n",
    "    reply = get_reply(message)\n",
    "    \n",
    "    if reply: \n",
    "        print(\"<<<\", reply)\n",
    "    else:\n",
    "        print(\"<<<\", \"What did you say?\")"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Run the bot from a terminal\n",
    "\n",
    "You can also save this code as a `.py` script, and run it from the terminal.\n",
    "\n",
    "1. Make a new file and save it as a `.py` script\n",
    "2. Open a new terminal \n",
    "3. Navigate to the folder where you saved your `.py` script\n",
    "4. Run your bot: `$ python3 YOURFILENAME.py`"
   ]
  },
  {
   "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": "3.7.3"
  }
 },
 "nbformat": 4,
 "nbformat_minor": 4
}