interactive-coding-challenges/math_probability/check_prime/check_prime_challenge.ipynb
2018-01-19 19:14:17 -08:00

167 lines
3.6 KiB
Python

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"This notebook was prepared by [Donne Martin](https://github.com/donnemartin). Source and license info is on [GitHub](https://github.com/donnemartin/interactive-coding-challenges)."
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Challenge Notebook"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Problem: Check if a number is prime.\n",
"\n",
"* [Constraints](#Constraints)\n",
"* [Test Cases](#Test-Cases)\n",
"* [Algorithm](#Algorithm)\n",
"* [Code](#Code)\n",
"* [Unit Test](#Unit-Test)\n",
"* [Solution Notebook](#Solution-Notebook)"
]
},
{
"cell_type": "markdown",
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"source": [
"## Constraints\n",
"\n",
"* Is it correct that 1 is not considered a prime number?\n",
" * Yes\n",
"* Can we assume the inputs are valid?\n",
" * No\n",
"* Can we assume this fits memory?\n",
" * Yes"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Test Cases\n",
"\n",
"* None -> Exception\n",
"* Not an int -> Exception\n",
"* Less than 2 -> False\n",
"* General case"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Algorithm\n",
"\n",
"Refer to the [Solution Notebook](). If you are stuck and need a hint, the solution notebook's algorithm discussion might be a good place to start."
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Code"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": false
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"outputs": [],
"source": [
"class Math(object):\n",
"\n",
" def check_prime(self, num):\n",
" # TODO: Implement me\n",
" pass"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Unit Test"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"**The following unit test is expected to fail until you solve the challenge.**"
]
},
{
"cell_type": "code",
"execution_count": null,
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"source": [
"# %load test_check_prime.py\n",
"from nose.tools import assert_equal, assert_raises\n",
"\n",
"\n",
"class TestMath(object):\n",
"\n",
" def test_check_prime(self):\n",
" math = Math()\n",
" assert_raises(TypeError, math.check_prime, None)\n",
" assert_raises(TypeError, math.check_prime, 98.6)\n",
" assert_equal(math.check_prime(0), False)\n",
" assert_equal(math.check_prime(1), False)\n",
" assert_equal(math.check_prime(97), True)\n",
" print('Success: test_check_prime')\n",
"\n",
"\n",
"def main():\n",
" test = TestMath()\n",
" test.test_check_prime()\n",
"\n",
"\n",
"if __name__ == '__main__':\n",
" main()"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Solution Notebook\n",
"\n",
"Review the [Solution Notebook]() for a discussion on algorithms and code solutions."
]
}
],
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