Error Handling Udemy.ipynb

{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [],
   "source": [
    "#try, except and finally blocks"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 12,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Add went well!\n",
      "20\n"
     ]
    }
   ],
   "source": [
    "try:\n",
    "    #WANT TO ATTEMPT THIS CODE\n",
    "    #MAY HAVE ERROR\n",
    "    result= 10+10   #Change second integer to string to get to except block\n",
    "except:\n",
    "    print(\"Hey it looks like you aren't adding correcty!\")\n",
    "else:\n",
    "    print(\"Add went well!\")\n",
    "    print(result)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  },
  {
   "cell_type": "code",
   "execution_count": 15,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "I always run\n"
     ]
    }
   ],
   "source": [
    "try:\n",
    "    f=open('testfile', 'w')  #Change to 'r' to replicate an OSError\n",
    "    f.write(\"Write a test line\")\n",
    "except TypeError:\n",
    "    print(\"There was a type error\")\n",
    "except OSError:             #In case there is no access to the file\n",
    "    print(\"Hey you have an OS error\")\n",
    "finally:\n",
    "    print(\"I always run\")\n",
    "    \n",
    "    "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  },
  {
   "cell_type": "code",
   "execution_count": 24,
   "metadata": {},
   "outputs": [],
   "source": [
    "def ask_for_int():\n",
    "    while True:\n",
    "        try:\n",
    "            result= int(input(\"Please enter a Number: \"))\n",
    "        except:\n",
    "            print(\"Whoops! This is not a number\")\n",
    "            continue\n",
    "        else:\n",
    "            print(\"Yes, thank you\")\n",
    "            break\n",
    "        finally:\n",
    "            print(\"End of try/except/finally\")\n",
    "            #print(result)\n",
    "    "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Please enter a Number: j\n",
      "Whoops! This is not a number\n",
      "End of try/except/finally\n"
     ]
    }
   ],
   "source": [
    "ask_for_int()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
 ],
 "metadata": {
  "kernelspec": {
   "display_name": "Python 3",
   "language": "python",
   "name": "python3"
  },
  "language_info": {
   "codemirror_mode": {
    "name": "ipython",
    "version": 3
   },
   "file_extension": ".py",
   "mimetype": "text/x-python",
   "name": "python",
   "nbconvert_exporter": "python",
   "pygments_lexer": "ipython3",
   "version": "3.8.5"
  }
 },
 "nbformat": 4,
 "nbformat_minor": 4
}