#### Cocktail Shaker Sort

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```""" https://en.wikipedia.org/wiki/Cocktail_shaker_sort """

def cocktail_shaker_sort(unsorted: list) -> list:
"""
Pure implementation of the cocktail shaker sort algorithm in Python.
>>> cocktail_shaker_sort([4, 5, 2, 1, 2])
[1, 2, 2, 4, 5]

>>> cocktail_shaker_sort([-4, 5, 0, 1, 2, 11])
[-4, 0, 1, 2, 5, 11]

>>> cocktail_shaker_sort([0.1, -2.4, 4.4, 2.2])
[-2.4, 0.1, 2.2, 4.4]

>>> cocktail_shaker_sort([1, 2, 3, 4, 5])
[1, 2, 3, 4, 5]

>>> cocktail_shaker_sort([-4, -5, -24, -7, -11])
[-24, -11, -7, -5, -4]
"""
for i in range(len(unsorted) - 1, 0, -1):
swapped = False

for j in range(i, 0, -1):
if unsorted[j] < unsorted[j - 1]:
unsorted[j], unsorted[j - 1] = unsorted[j - 1], unsorted[j]
swapped = True

for j in range(i):
if unsorted[j] > unsorted[j + 1]:
unsorted[j], unsorted[j + 1] = unsorted[j + 1], unsorted[j]
swapped = True

if not swapped:
break
return unsorted

if __name__ == "__main__":
import doctest

doctest.testmod()
user_input = input("Enter numbers separated by a comma:\n").strip()
unsorted = [int(item) for item in user_input.split(",")]
print(f"{cocktail_shaker_sort(unsorted) = }")
```