__new__.py

def func(self):
    print('hello %s' %self.name)
def __init__(self,name,age):
    self.name = name
    self.age = age

Foo = type('Foo', (object,), {'talk': func,
                       '__init__':__init__})
f = Foo("Chrn",22)
f.talk()
print(type(Foo))