Implement Queue using Stacks

class MyQueue:
	
    def __init__(self):
        self.stk = []
        self.stk2 = []

    def push(self, x: int) -> None:
        self.stk.append(x)

    def pop(self) -> int:
        if not self.stk2:
            while self.stk:
                self.stk2.append(self.stk.pop())
        return self.stk2.pop()

    def peek(self) -> int:
        if not self.stk2:
            while self.stk:
                self.stk2.append(self.stk.pop())
        return self.stk2[-1]

    def empty(self) -> bool:
        return not self.stk and not self.stk2