class A(object):
def __init__(self, a, b, c, *args, **kwargs):
self.a = a
self.b = b
self.c = c
def __new__(cls, a, *args, **kwargs):
cls.aa = a
return super().__new__(cls)
a = A('a', 'b', 'c')
print(a.a, a.b, a.c)
print(A.aa)
运行结果
a b c
a
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