{
"cells": [
{
"cell_type": "markdown",
"metadata": {},
"source": [
"___\n",
"\n",
"
\n",
"___\n",
"
try and except blocks."
]
},
{
"cell_type": "code",
"execution_count": 1,
"metadata": {},
"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": 2,
"metadata": {},
"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": 3,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"def ask():\n",
" \n",
" while True:\n",
" try:\n",
" n = int(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, your number squared is: ',n**2)"
]
},
{
"cell_type": "code",
"execution_count": 4,
"metadata": {},
"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, your number squared is: 4\n"
]
}
],
"source": [
"ask()"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Great Job!"
]
}
],
"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": "3.6.6"
}
},
"nbformat": 4,
"nbformat_minor": 1
}