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   "source": [
    "#Errors and Exceptions Homework - Solution"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "###Problem 1\n",
    "Handle the exception thrown by the code below by using try and except blocks."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {
    "collapsed": false
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   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "An error occurred!\n"
     ]
    }
   ],
   "source": [
    "try:\n",
    "    for i in ['a','b','c']:\n",
    "        print i**2\n",
    "except:\n",
    "    print \"An error occurred!\""
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "###Problem 2\n",
    "Handle the exception thrown by the code below by using **try** and **except** blocks. Then use a **finally** block to print 'All Done.'"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Can't divide by Zero!\n",
      "All Done!\n"
     ]
    }
   ],
   "source": [
    "x = 5\n",
    "y = 0\n",
    "try:\n",
    "    z = x/y\n",
    "except ZeroDivisionError:\n",
    "    print \"Can't divide by Zero!\"\n",
    "finally:\n",
    "    print 'All Done!'"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "###Problem 3\n",
    "Write a function that asks for an integer and prints the square of it. Use a while loop with a try,except, else block to account for incorrect inputs."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 24,
   "metadata": {
    "collapsed": false
   },
   "outputs": [],
   "source": [
    "def ask():\n",
    "    \n",
    "    while True:\n",
    "        try:\n",
    "            n = input('Input an integer: ')\n",
    "        except:\n",
    "            print 'An error occurred! Please try again!'\n",
    "            continue\n",
    "        else:\n",
    "            break\n",
    "            \n",
    "        \n",
    "    print 'Thank you, you number squared is: ',n**2"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 25,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Input an integer: null\n",
      "An error occurred! Please try again!\n",
      "Input an integer: 2\n",
      "Thank you, you number squared is:  4\n"
     ]
    }
   ],
   "source": [
    "ask()"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "#Great Job!"
   ]
  }
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