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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, 2, 3, 2])

[0, 2, 2, 3, 5]

>>> bubble_sort([0, 5, 2, 3, 2]) == sorted([0, 5, 2, 3, 2])

True

>>> bubble_sort([]) == sorted([])

True

>>> bubble_sort([-2, -45, -5]) == sorted([-2, -45, -5])

True

>>> bubble_sort([-23, 0, 6, -4, 34]) == sorted([-23, 0, 6, -4, 34])

True

>>> bubble_sort(['d', 'a', 'b', 'e', 'c']) == sorted(['d', 'a', 'b', 'e', 'c'])

True

>>> import random

>>> collection = random.sample(range(-50, 50), 100)

>>> bubble_sort(collection) == sorted(collection)

True

>>> import string

>>> collection = random.choices(string.ascii_letters + string.digits, k=100)

>>> bubble_sort(collection) == sorted(collection)

True

"""

length = len(collection)

for i in range(1, length):

swapped = False

for j in range(length - i):

if collection[j] > collection[j + 1]:

swapped = True

collection[j], collection[j + 1] = collection[j + 1], collection[j]

if not swapped:

break # Stop iteration if the collection is sorted.

return collection

if __name__ == "__main__":

import doctest

import time

doctest.testmod()

user_input = input("Enter numbers separated by a comma:").strip()

unsorted = [int(item) for item in user_input.split(",")]

start = time.process_time()

print(*bubble_sort(unsorted), sep=",")

print(f"Processing time: {time.process_time() - start}")

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