fib.ipynb

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 "cells": [
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   "cell_type": "markdown",
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   "source": [
    "# Recursive solution"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 50,
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   "outputs": [
    {
     "name": "stdout",
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     "text": [
      "0 1 1 2 3 5 8 13 21 34\n"
     ]
    }
   ],
   "source": [
    "def fib_recursive(n):\n",
    "    if n == 0:\n",
    "        return n\n",
    "    elif n <= 2:\n",
    "        return 1\n",
    "    else:\n",
    "        return fib_recursive(n-1) + fib_recursive(n-2)\n",
    "\n",
    "# Print first 10 numbers in fibonnaci sequence\n",
    "for i in xrange(10):\n",
    "    print fib_iterative(i),"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Iterative solution"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 54,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "0 1 1 2 3 5 8 13 21 34\n"
     ]
    }
   ],
   "source": [
    "def fib_iterative(n):\n",
    "    a,b = 1,0\n",
    "    for i in xrange(n):\n",
    "        a,b = b,a+b\n",
    "    return b\n",
    "    \n",
    "# Print first 10 numbers in fibonnaci sequence\n",
    "for i in xrange(10):\n",
    "    print fib_iterative(i),"
   ]
  }
 ],
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