Last active
February 2, 2023 08:28
-
-
Save pupba/1a40b3f52891b482ae036dbf2d6555a0 to your computer and use it in GitHub Desktop.
Stack
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
# 파이썬은 리스트 자료구조로 이미 스택이 구현되어 있음 | |
# class로 구현하기 | |
class Stack: | |
def __init__(self): | |
self.__heap = [] | |
# 파이썬의 리스트의 공간은 동적으로 증가하여 | |
# 컴퓨터 메모리 만큼 증가 하므로 따로 isFull 구현하지 않았음 | |
def len(self): | |
return len(self.__heap) | |
# push | |
def push(self,item): self.__heap.append(item) | |
# pop | |
def pop(self): | |
return self.__heap.pop() if not self.isEmpty() else print("Stack is Empty!") | |
# peek | |
def peek(self): | |
return self.__heap[-1] if not self.isEmpty() else print("Stack is Empty!!") | |
# isEmpty | |
def isEmpty(self): | |
return not self.__heap |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment