Tuples.ipynb

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     "text": [
      "cannot modify a tuple\n"
     ]
    }
   ],
   "source": [
    "my_list = [1,2,3]\n",
    "my_tuple = (1,2,3)\n",
    "other_tuple = 3,4\n",
    "my_list[1]=3\n",
    "\n",
    "try:\n",
    "    my_tuple[1]=3\n",
    "except TypeError:\n",
    "    print \"cannot modify a tuple\""
   ]
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       "(5, 6)"
      ]
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     "execution_count": 3,
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   "source": [
    "#Tuples are a convenient way to return multiple values from functions\n",
    "\n",
    "def sum_and_product(x,y):\n",
    "    return (x+y),(x*y)\n",
    "\n",
    "sp = sum_and_product(2,3)\n",
    "sp"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "15 50\n"
     ]
    }
   ],
   "source": [
    "s, p = sum_and_product(5,10)\n",
    "print s,p"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "2 1\n"
     ]
    }
   ],
   "source": [
    "x,y = 1,2\n",
    "x,y = y,x\n",
    "print x,y"
   ]
  }
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