def new_fun(arg1='Default', arg2='Default'):
    """Short explanation.

    This is the very long explanation

    Parameters
    -----------
    arg1 : type, default : 'Default'
        What is arg1.

    arg2 : {'Default', 'Different', 'Another'}
        What is arg2.

    Returns
    -----------
    out : type
        What is out.
    """
