What Are The Codes Of Hammurabi ?

When we talk about first human civilization when human started to live in societies, the idea of how the ancient people formulate legislation and Rules is always fascinating. I always heard about Codes of Hammurabi that they are the first formulation of law. What exactly is the Code of Hammuabi ?
When we talk about first human civilization when human started to live in societies, the idea of how the ancient people formulate legislation and Rules is always fascinating. I always heard about Codes of Hammurabi that they are the first formulation of law. What exactly is the Code of Hammuabi ?