A. 对 B. 错
A. def myfunc(arg1=1): B. def myfunc(*args): C. def myfunc(*args, a=1): D. def myfunc(a=1, **args):
A. interest(3000) B. interest(3000,3,0.1) C. interest(day=2,3000,0.05) D. interest(3000,interest_rate=0.1,day=7)
A. 元组 B. 列表 C. 字典 D. 数据框