Create Array To Stack.py

Author: xulzee

Array To Stack.py

@@ -0,0 +1,27 @@
+# -*- coding: utf-8 -*-
+# @Time    : 2019/3/14 23:28
+# @Author  : xulzee
+# @Email   : [email protected]
+# @File    : Array To Stack.py
+# @Software: PyCharm
+class Solution:
+    def __init__(self, size):
+        self.array = [0] * size
+        self.size = 0
+
+    def peek(self):
+        if self.size == 0:
+            return None
+        return self.array[self.size - 1]
+
+    def push(self, obj):
+        if self.size == len(self.array):
+            return "Stack is full"
+        self.array[self.size] = obj
+        self.size += 1
+
+    def pop(self):
+        if self.size == 0:
+            return "Stack is empty"
+        self.size -= 1
+        return self.array[self.size]