class Queue:
def __init__(self,stack):
self.stack1 = Stack(stack)
self.stack2 = Stack(stack)
while !self.stack1.empty(): self.stack1.T_pop()
while !self.stack2.empty(): self.stack1.T_push(self.stack2.T_pop())
def add(self,obj):
stac1.queue.append(obj)
def T_peek(self):
return self.stack1.T_peek()
def T_remove(self):
self.stack1.T_remove
def size(self):
self.stack1.size()
