Python/sorts/bogosort.py
2018-06-26 10:55:21 +08:00

50 lines
1.3 KiB
Python

"""
This is a pure python implementation of the bogosort algorithm
For doctests run following command:
python -m doctest -v bogosort.py
or
python3 -m doctest -v bogosort.py
For manual testing run:
python bogosort.py
"""
from __future__ import print_function
import random
def bogosort(collection):
"""Pure implementation of the bogosort algorithm in Python
:param collection: some mutable ordered collection with heterogeneous
comparable items inside
:return: the same collection ordered by ascending
Examples:
>>> bogosort([0, 5, 3, 2, 2])
[0, 2, 2, 3, 5]
>>> bogosort([])
[]
>>> bogosort([-2, -5, -45])
[-45, -5, -2]
"""
def isSorted(collection):
if len(collection) < 2:
return True
for i in range(len(collection) - 1):
if collection[i] > collection[i + 1]:
return False
return True
while not isSorted(collection):
random.shuffle(collection)
return collection
if __name__ == '__main__':
try:
raw_input # Python 2
except NameError:
raw_input = input # Python 3
user_input = raw_input('Enter numbers separated by a comma:\n').strip()
unsorted = [int(item) for item in user_input.split(',')]
print(bogosort(unsorted))