shows how we can overload methods via singledispatch

singledispatch_example.py

from functools import singledispatch


@singledispatch  # 1
def to_json(inp):  # 1
    """implementations in dispatched functions"""


@to_json.register  # 2
def as_json_str(input_str: str) -> str:  # 2
    return f'"{input_str}"'  # 4


@to_json.register  # 3
def as_json_str(inputs: list) -> str:  # 3
    json_inputs = ", ".join(to_json(single_input) for single_input in inputs)  # 4
    return f"[{json_inputs}]"  # 4


def test_to_json():
    assert to_json("Hello world") == '"Hello world"'  # 5
    assert to_json(["a", "l", "i", "c", "e"]) == '["a", "l", "i", "c", "e"]'  # 6