fixed peek() method of the ArrayStack

RoMartini33 · Mar 25, 2018 · f92c5e3 · f92c5e3
1 parent ea43887
commit f92c5e3
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/stack/stack.py b/stack/stack.py
@@ -53,9 +53,12 @@ def pop(self):
         return value
 
     def peek(self):
+        """
+            returns the current top element of the stack.
+        """
         if self.isEmpty():
             raise IndexError("stack is empty")
-        return self.array[self.top]
+        return self.array[self.top -1]
 
     def expand(self):
         """