How split() works when maxsplit is specified

grocery = 'Milk, Chicken, Bread, Butter'

# maxsplit: 2
print(grocery.split(', ', 2))

# maxsplit: 1
print(grocery.split(', ', 1))

# maxsplit: 5
print(grocery.split(', ', 5))

# maxsplit: 0
print(grocery.split(', ', 0))

"""
Output

['Milk', 'Chicken', 'Bread, Butter']
['Milk', 'Chicken, Bread, Butter']
['Milk', 'Chicken', 'Bread', 'Butter']
['Milk, Chicken, Bread, Butter']
"""