def abc(a: int, c = [1,2]):
"""_summary_
:param a: _description_
:type a: int
:param c: _description_, defaults to [1,2]
:type c: list, optional
:raises AssertionError: _description_
:return: _description_
:rtype: _type_
"""
if a > 10:
raise AssertionError("a is more than 10")
return c