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53 lines
1.4 KiB
Python
53 lines
1.4 KiB
Python
"""
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This is pure python implementation of bogosort algorithm
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For doctests run following command:
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python -m doctest -v bogosort.py
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or
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python3 -m doctest -v bogosort.py
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For manual testing run:
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python bogosort.py
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"""
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from __future__ import print_function
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import random
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def bogosort(collection):
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"""Pure implementation of bogosort algorithm in Python
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:param collection: some mutable ordered collection with heterogeneous
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comparable items inside
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:return: the same collection ordered by ascending
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Examples:
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>>> bogosort([0, 5, 3, 2, 2])
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[0, 2, 2, 3, 5]
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>>> bogosort([])
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[]
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>>> bogosort([-2, -5, -45])
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[-45, -5, -2]
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"""
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def isSorted(collection):
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if len(collection) < 2:
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return True
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for i in range(len(collection)-1):
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if collection[i] > collection[i+1]:
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return False
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return True
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while not isSorted(collection):
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random.shuffle(collection)
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return collection
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if __name__ == '__main__':
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import sys
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# For python 2.x and 3.x compatibility: 3.x has not raw_input builtin
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# otherwise 2.x's input builtin function is too "smart"
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if sys.version_info.major < 3:
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input_function = raw_input
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else:
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input_function = input
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user_input = input_function('Enter numbers separated by coma:\n')
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unsorted = [int(item) for item in user_input.split(',')]
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print(bogosort(unsorted))
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