Python_basic

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def func(
    pos1,              # 位置参数
    pos2,              # 位置参数
    pos3: int = 10,    # 带默认值的参数
    *args,             # 可变位置参数
    kw1,               # 关键字参数
    kw2: str = "test", # 带默认值的关键字参数
    **kwargs           # 可变关键字参数
):
    pass

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from .utils.helpers import (
    format_datetime,
    calculate_price,
    generate_order_number,
)

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try:
    1/0
except Exception as e:
    print(e)
    raise e

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>>> a, b, *c = [1,2,3,3,4,5,6]
>>> a,b,c
(1, 2, [3, 3, 4, 5, 6])

>>> a, *b, c = [1,2,3,3,4,5,6]
>>> a,b,c
(1, [2, 3, 3, 4, 5], 6)