Added Stack

Author: Arko98

Stack.py

@@ -0,0 +1,58 @@
+class Stack:
+  Top = -1
+
+  def __init__(self,size):
+    self.stack = [0 for i in range(size)]
+
+  def push(self, value):
+    if (Stack.Top!=len(self.stack)-1):
+      Stack.Top += 1
+      self.stack[Stack.Top] = value
+    else:
+      print("Overflow: Stack is Full")
+  
+  def pop(self):
+    if (Stack.Top == -1):
+      print("Underflow: Stack is Empty")
+    else:
+      Stack.Top -= 1
+
+  def peek(self):
+    if (Stack.Top == -1):
+      print("Underflow: Stack is Empty")
+    else:
+      return (self.stack[Stack.Top])
+
+  def traverse(self):
+    if (Stack.Top == -1):
+      print("Underflow: Stack is Empty")
+    else:
+      for i in range(Stack.Top,-1,-1):
+        print(self.stack[i], end = " ")
+
+  def is_Full(self):
+    if (Stack.Top == len(self.stack)-1):
+      return True
+    else:
+      return False
+  
+  def is_Empty(self):
+    if (Stack.Top == -1):
+      return True
+    else:
+      return False
+      
+# Driver Code
+data = Stack(5)
+data.traverse()
+data.push(5)
+data.push(36)
+data.push(43)
+data.traverse()
+data.push(33)
+data.traverse()
+print(data.peek())
+data.pop()
+data.traverse()
+print(data.is_Empty())
+print(data.is_Full())