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d3de7c1 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 | """Lists related humanization."""
from __future__ import annotations
TYPE_CHECKING = False
if TYPE_CHECKING:
from typing import Any
__all__ = ["natural_list"]
def natural_list(items: list[Any]) -> str:
"""Natural list.
Convert a list of items into a human-readable string with commas and 'and'.
Examples:
>>> natural_list(["one", "two", "three"])
'one, two and three'
>>> natural_list(["one", "two"])
'one and two'
>>> natural_list(["one"])
'one'
Args:
items (list): An iterable of items.
Returns:
str: A string with commas and 'and' in the right places.
"""
if len(items) == 1:
return str(items[0])
elif len(items) == 2:
return f"{str(items[0])} and {str(items[1])}"
else:
return ", ".join(str(item) for item in items[:-1]) + f" and {str(items[-1])}"
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