Building+a+class+example.ipynb

{
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  {
   "cell_type": "code",
   "execution_count": 84,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "import random\n",
    "\n",
    "class Player:\n",
    "    \"\"\"\n",
    "    A class for a player in a simulation association football game\n",
    "    \"\"\"\n",
    "\n",
    "    def __init__(self, speed, header, tackling):\n",
    "        \"\"\"Method called WHEN create an instance\"\"\"\n",
    "        self.speed = speed\n",
    "        self.header = header\n",
    "        self.tackling = tackling\n",
    "        self.goals = 0\n",
    "    \n",
    "    def shoot_at_goal(self, goalie):\n",
    "        if goalie.gloves:\n",
    "            prob_score = .2\n",
    "        else:\n",
    "            prob_score = .8\n",
    "            \n",
    "        if random.random() <= prob_score:\n",
    "            self.goals += 1\n",
    "\n",
    "    \n",
    "    def get_faster(self):\n",
    "        \"\"\"\n",
    "        Increases the players speed\n",
    "        \"\"\"\n",
    "        self.speed += 1\n",
    "        \n",
    "    def __repr__(self):        \n",
    "        return \"\"\"A player\n",
    "speed = {}\n",
    "        header = {}\n",
    "        \"\"\".format(self.speed, self.header)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 85,
   "metadata": {},
   "outputs": [],
   "source": [
    "kane = Player(80, 55, 74)\n",
    "bob = Player(75, 99, 0)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 86,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "A player\n",
       "speed = 80\n",
       "        header = 55\n",
       "        "
      ]
     },
     "execution_count": 86,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "kane"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 93,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "1"
      ]
     },
     "execution_count": 93,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "bartez = Goalie(True)\n",
    "kane.shoot_at_goal(bartez)\n",
    "kane.goals"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 66,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "A player\n",
       "speed = 75\n",
       "        header = 99\n",
       "        "
      ]
     },
     "execution_count": 66,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "bob"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 96,
   "metadata": {},
   "outputs": [],
   "source": [
    "class Goalie(Player):\n",
    "    \"\"\"\n",
    "    A class for a goalie (inherited from Player).\n",
    "    \"\"\"\n",
    "    def __init__(self, gloves):\n",
    "        self.gloves = gloves\n",
    "        \n",
    "    def __repr__(self):\n",
    "        return \"Just a goalie\""
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 97,
   "metadata": {},
   "outputs": [],
   "source": [
    "bartez = Goalie(True)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 98,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "True"
      ]
     },
     "execution_count": 98,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "bartez.gloves"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 99,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "Just a goalie"
      ]
     },
     "execution_count": 99,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "bartez"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 37,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "(80, 75)"
      ]
     },
     "execution_count": 37,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "kane.speed, bob.speed"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 21,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "kane.get_faster()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 22,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "81"
      ]
     },
     "execution_count": 22,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "kane.speed"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 12,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "95"
      ]
     },
     "execution_count": 12,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "kane.header"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 13,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "95"
      ]
     },
     "execution_count": 13,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "bob = Player()\n",
    "bob.header"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 14,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "int"
      ]
     },
     "execution_count": 14,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "type(bob.header)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 15,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'good'"
      ]
     },
     "execution_count": 15,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "bob.goalie_stuff = \"good\"\n",
    "bob.goalie_stuff"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 16,
   "metadata": {},
   "outputs": [
    {
     "ename": "AttributeError",
     "evalue": "'Player' object has no attribute 'goalie_stuff'",
     "output_type": "error",
     "traceback": [
      "\u001b[1;31m---------------------------------------------------------------------------\u001b[0m",
      "\u001b[1;31mAttributeError\u001b[0m                            Traceback (most recent call last)",
      "\u001b[1;32m<ipython-input-16-de0c210a039a>\u001b[0m in \u001b[0;36m<module>\u001b[1;34m()\u001b[0m\n\u001b[1;32m----> 1\u001b[1;33m \u001b[0mkane\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mgoalie_stuff\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0m",
      "\u001b[1;31mAttributeError\u001b[0m: 'Player' object has no attribute 'goalie_stuff'"
     ]
    }
   ],
   "source": [
    "kane.goalie_stuff"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": []
  }
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