Whate are the reasons for having code of ethics for nursing?

Is this homework?

This is not a difficult question. Think about it. Would you want a nurse taking care of you without any code of ethics?

Well I guess I'm wanting to know what they are?

well i guess im wanting to know what they are?
Morals, correct behavior, rules to be nice to someone even if you don't like him or her

So like... Keep all patient information confidential, Maintain a safe environment for the patients, Treat the patients with respect and respect their choice of culture and beliefs, Speak to patients in a truthful and accurate manner, Being faithful and keeping your promises, Give compassionate and professional care to clients, Take responsibility for your own actions, Attempt to improve the quality of nursing, Protect the health, right, and safety of the patient

Yeah, like that. But you asked WHY have such a code of ethics.