mirror of
https://github.com/TheAlgorithms/Python.git
synced 2024-11-27 23:11:09 +00:00
54 lines
1.4 KiB
Python
54 lines
1.4 KiB
Python
"""
|
|
This is pure python implementation of bubble sort algorithm
|
|
|
|
For doctests run following command:
|
|
python -m doctest -v bubble_sort.py
|
|
or
|
|
python3 -m doctest -v bubble_sort.py
|
|
|
|
For manual testing run:
|
|
python bubble_sort.py
|
|
"""
|
|
|
|
from __future__ import print_function
|
|
|
|
|
|
def bubble_sort(collection):
|
|
"""Pure implementation of bubble sort algorithm in Python
|
|
|
|
:param collection: some mutable ordered collection with heterogeneous
|
|
comparable items inside
|
|
:return: the same collection ordered by ascending
|
|
|
|
Examples:
|
|
>>> bubble_sort([0, 5, 3, 2, 2])
|
|
[0, 2, 2, 3, 5]
|
|
|
|
>>> bubble_sort([])
|
|
[]
|
|
|
|
>>> bubble_sort([-2, -5, -45])
|
|
[-45, -5, -2]
|
|
"""
|
|
length = len(collection)
|
|
for i in range(length-1, -1, -1):#range(length-1, -1, -1)
|
|
for j in range(i):#range(1, i)
|
|
if collection[j] > collection[j+1]:
|
|
collection[j], collection[j+1] = collection[j+1], collection[j]
|
|
|
|
return collection
|
|
|
|
|
|
if __name__ == '__main__':
|
|
import sys
|
|
# For python 2.x and 3.x compatibility: 3.x has not raw_input builtin
|
|
# otherwise 2.x's input builtin function is too "smart"
|
|
if sys.version_info.major < 3:
|
|
input_function = raw_input
|
|
else:
|
|
input_function = input
|
|
|
|
user_input = input_function('Enter numbers separated by a comma:\n')
|
|
unsorted = [int(item) for item in user_input.split(',')]
|
|
print(bubble_sort(unsorted))
|