AttributeError：“列表”对象没有属性

Question

我完全不知道为什么我得到错误Traceback (most recent call last):  File ".../minimal.py", line 8, in <module>    obj = Clazz([0], [[0], [0]], [[0]])  File ".../minimal.py", line 5, in __init__    self.c = cAttributeError: 'list' object has no attribute 'c'从下面的代码class Clazz(object):    def __init__(self, a, b, c):        self.a = a        self,b = b        self.c = cif __name__ == "__main__":    obj = Clazz([0], [[0], [0]], [0])当我只通过obj = Clazz([0], [0], [0])我收到以下错误：Traceback (most recent call last):  File ".../minimal.py", line 8, in <module>    obj = Clazz([0], [[0], [0]], [0])  File ".../minimal.py", line 4, in __init__    self,b = bValueError: need more than 1 value to unpack我试图用谷歌搜索，但是那里没有类似的问题。怎么会这样 这些错误的原因是什么？