class Deque: def __init__(self): self.dq = UnorderedList() def add_rear(self,item): self.dq.add(item) def add_front(self,item): self.dq.append(item) def remove_rear(self): return self.dq.pop(0) def remove_front(self): return self.dq.pop() def size(self): return self.dq.size() def is_empty(self): return self.dq.is_empty() def show(self): print(self.dq)
class Deque: def __init__(self): self.dq = UnorderedList() def add_rear(self, item): self.dq.add(item) def add_front(self, item): self.dq.append(item) def remove_rear(self): return self.dq.pop(0) def remove_front(self): return self.dq.pop() def size(self): return self.dq.size() def is_empty(self): return self.dq.is_empty() def show(self): print(self.dq)
class Queue: def __init__(self): self.q = UnorderedList() def enque(self,items): self.q.add(items) def deque(self): return self.q.pop() def size(self): return self.q.size() def is_empty(self): return self.q.is_empty() def show(self): print(self.q)
class Stack: def __init__(self): self.s = UnorderedList() def push(self, items): self.s.add(items) def pop_stack(self): return self.s.pop(0) def peek_stack(self): return self.s.head.get_data() def is_empty(self): return self.s.is_empty() def size(self): return self.s.size() def show(self): print(self.s)