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**********
Parameters
----------
arg1 : int default 10
    First argument with space-separated default.
arg2 : str, default "hello"
    Second argument with comma-separated default.
arg3 : bool, default is True
    Third argument with "default is" format.
arg4 : float default: 3.14
    Fourth argument with colon-based default.
arg5 : list[int], default:[]
    Fifth argument with colon and no space.
arg6 : dict[str, int] default  :   {}
    Sixth argument with irregular spacing around colon.
arg7 : str default is "world"
    Seventh argument with "default is" and no comma.
arg8 : int, default=42
    Eighth argument already in correct format.

**********

Parameters
----------
arg1 : int, default=10
    First argument with space-separated default.
arg2 : str, default="hello"
    Second argument with comma-separated default.
arg3 : bool, default=True
    Third argument with "default is" format.
arg4 : float, default=3.14
    Fourth argument with colon-based default.
arg5 : list[int], default=[]
    Fifth argument with colon and no space.
arg6 : dict[str, int], default={}
    Sixth argument with irregular spacing around colon.
arg7 : str, default="world"
    Seventh argument with "default is" and no comma.
arg8 : int, default=42
    Eighth argument already in correct format.
