added homework

1 files changed, 47 insertions, 0 deletions

diff --git a/comp/work/23/stack.py b/comp/work/23/stack.py
new file mode 100644
index 0000000..f1cea09
--- /dev/null
+++ b/comp/work/23/stack.py
@@ -0,0 +1,47 @@
+class Stack:
+    def __init__(self, size):
+        self.maxSize = size
+        self.pointer = -1 
+        self.data = []
+    
+    def peek(self):
+        print(self.data[self.pointer])
+
+    def push(self, element):
+        if self.pointer > self.maxSize:
+            exit(1)
+        else:
+            self.data.append(element)
+            self.pointer = self.pointer + 1
+
+    def pop(self):
+        self.data.pop()
+        self.pointer = self.pointer - 1 
+
+    def isfull(self):
+        if len(self.data) == self.maxSize:
+            return True
+        else:
+            return False
+    
+    def isempty(self):
+        if len(self.data) == 0:
+            return True
+        else:
+            return False
+
+    
+mystack = Stack(10)
+
+myinternalstack = Stack(10)
+
+for i in range(10):
+    myinternalstack.push("hello")
+
+
+for i in range(10):
+    mystack.push(myinternalstack)
+
+mystack.peek()
+
+