How to make a 2D character animation in a serial duel game?

Question

Unity

The essence of the question is that I have a character and he has two animations: "Idle" and "MidAttack", respectively, when he is at rest, the Idle animation is played, when the button is pressed, the MidAttack animation is played, but upon completion, MidAttack should again Idle animation is played. How to implement it correctly?