will_tutorial.ipynb

will_tutorial.ipynb

{
 "cells": [
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   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [],
   "source": [
    "class Consumer:\n",
    "\n",
    "    def __init__(self, w):\n",
    "        \"Initialize consumer with w dollars of wealth\"\n",
    "        self.wealth = w\n",
    "\n",
    "    def earn(self, y):\n",
    "        \"The consumer earns y dollars\"\n",
    "        self.wealth += y\n",
    "\n",
    "    def spend(self, x):\n",
    "        \"The consumer spends x dollars if feasible\"\n",
    "        new_wealth = self.wealth - x\n",
    "        if new_wealth < 0:\n",
    "            print(\"Insufficent funds\")\n",
    "        else:\n",
    "            self.wealth = new_wealth"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [],
   "source": [
    "will = Consumer(100)  # Starts with 100 wealth"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "<__main__.Consumer at 0x110e6c690>"
      ]
     },
     "execution_count": 3,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "will"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "100"
      ]
     },
     "execution_count": 5,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "will.wealth"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {},
   "outputs": [],
   "source": [
    "will.earn(50)  # earns 50"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "150"
      ]
     },
     "execution_count": 7,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "will.wealth"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
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