Four surgeons are having a coffee after performing surgery.

"I think accountants are the easiest to operate on. Everything inside is numbered."

says the first.

"I think librarians are the easiest," said the second surgeon.

"When you open them up all their organs are alphabetically¹ ordered."

The third surgeon said, "I prefer to operate on electricians. All their organs are colour coded."

The fourth one said, ""I like to operate on lawyers. They're heartless, spineless, gutless, and their head and ass are interchangeable"