def abc(a: int, c = [1,2]):
"""!
@brief _summary_
@param a (int): _description_
@param c (list, optional): _description_. Defaults to [1,2].
@return (_type_): _description_
@exception AssertionError: _description_
"""
if a > 10:
raise AssertionError("a is more than 10")
return c