Heads Or Tails

正面或背面非常简单的应用程序。

Very simple heads or tails application.

Coin flipping, coin tossing, or heads or tails is the practice of throwing a coin in the air and checking which side is showing when it lands, in order to choose between two alternatives, sometimes used to resolve a dispute between two parties. It is a form of sortition which inherently has two possible outcomes.