您可以将__init__方法的关键字参数打包成一个字典，然后使用setattr以下命令动态设置它们：
class User(object):
GENDER_MALE = 'mr'
GENDER_FEMALE = 'ms'
def __init__(self, **kwargs):
valid_keys = ["title", "first_name", "last_name", "is_guest", "company_name", "mobile", "landline", "email", "password", "fax", "wants_sms_notification", "wants_email_notification", "wants_newsletter","street_address"]
for key in valid_keys:
setattr(self, key, kwargs.get(key))
x = User(first_name="Kevin", password="hunter2")
print(x.first_name, x.password, x.mobile)
但是，这样做的缺点是不允许您在不命名的情况下提供参数-x = User("Mr", "Kevin")适用于原始代码，但不适用于此代码。
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