def a(L):
    return L+[1]
x=[1]
print(a([1]),x)
# obj2json


class A():
    def __init__(self):
        self.name = 1
        self.children=[]
        self.children_dic={1:'a',2:'b'}

    def __str__(self):
        return 'A'
    def sd(self):
        return 'A'
    def todict(self):
        return 'A'
a1=A()
a2=A()
a3=A()
# a3.children=[a1,a2]
a3.children_dic={1:a1,2:a2}

print(1)
# 1. 先把对象转化为字典.


class fromobj2dict():
    import json
    def is_basic_value(self,obj):
        # 定义基本类型集合
        basic_types = (int, float, str, bool,     type(None))
        
        # 检查对象类型是否在基本类型集合中
        return isinstance(obj, basic_types)

    # print(is_basic_value(42))          # True(整数)
    # print(is_basic_value("hello"))     # True(字符串)
    # print(is_basic_value(True))        # True(布尔值)
    # print(is_basic_value([1, 2, 3]))   # True(列表)
    # print(is_basic_value(None))        # True(None)









    def to_dict(self,obj):
        if self.is_basic_value(obj):
            return obj
        if isinstance(obj, tuple):
            return [ self.to_dict(v) for  v in obj]
        if isinstance(obj, list):
            return [ self.to_dict(v) for  v in obj]
        if isinstance(obj, dict):
            return {k: self.to_dict(v) for k, v in obj.items()}
        elif hasattr(obj, "__dict__"):
            return {k: self.to_dict(v) for k, v in obj.__dict__.items()}
        else:
            raise TypeError("Unserializable object: {}".format(obj))

a=fromobj2dict().to_dict(a3)
import json
print(1)
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