python动态生成类

class_code = """
def __init__(self,name):
    self.name=name
def fun1(self):
    print(self.name)  
"""
global_dic = {}
local_dic = {}
exec(class_code, global_dic, local_dic)
MyClass = type("myclass", (object,), local_dic)
myclass = MyClass("abc")
myclass.fun1()