From c59f3fad15305886df28cc15b63ac981667d4ca8 Mon Sep 17 00:00:00 2001
From: Hena <lee.henajane@gmail.com>
Date: Sat, 18 Dec 2021 16:33:59 -0600
Subject: [PATCH 1/2] Passes all tests

---
 stacks_queues/queue.py | 45 +++++++++++++++++++++++++++++++++++-------
 stacks_queues/stack.py | 11 +++++++----
 2 files changed, 45 insertions(+), 11 deletions(-)

diff --git a/stacks_queues/queue.py b/stacks_queues/queue.py
index cc73ad9..95d193d 100644
--- a/stacks_queues/queue.py
+++ b/stacks_queues/queue.py
@@ -15,7 +15,7 @@ def __init__(self):
         self.front = -1
         self.rear = -1
         self.size = 0
-      
+    
 
     def enqueue(self, element):
         """ Adds an element to the Queue
@@ -23,7 +23,21 @@ def enqueue(self, element):
             In the store are occupied
             returns None
         """
-        pass
+        if self.size == self.buffer_size:
+            raise QueueFullException("The queue is full.")
+        
+        elif self.front == -1:
+            self.front = 0
+            self.rear = 0
+            self.store[self.rear] = element
+            self.size += 1
+            return self.store
+
+        else:
+            self.rear = (self.rear + 1) % self.buffer_size
+            self.store[self.rear] = element
+            self.size +=1 
+            return self.store
 
     def dequeue(self):
         """ Removes an element from the Queue
@@ -31,27 +45,36 @@ def dequeue(self):
             The Queue is empty.
             returns None
         """
-        pass
+        if self.front == -1:
+            raise QueueEmptyException("The queue is empty.")
+        
+        element = self.store[self.front]
+        self.front = (self.front + 1) % self.buffer_size
+        self.size -= 1
+        return element
 
     def front(self):
         """ Returns an element from the front
             of the Queue and None if the Queue
             is empty.  Does not remove anything.
         """
-        pass
+        if self.empty():
+            return None
+        return self.store[self.front]
         
 
     def size(self):
         """ Returns the number of elements in
             The Queue
         """
-        pass
+        return self.size()
 
     def empty(self):
         """ Returns True if the Queue is empty
             And False otherwise.
         """
-        pass
+        if self.size == 0:
+            return True
 
     def __str__(self):
         """ Returns the Queue in String form like:
@@ -59,4 +82,12 @@ def __str__(self):
             Starting with the front of the Queue and
             ending with the rear of the Queue.
         """
-        pass
+        queue_list = []
+
+        if self.empty():
+            return str(queue_list)
+
+        for element in range(self.front, self.front + self.size):
+            element = element % self.buffer_size
+            queue_list.append(self.store[element])
+        return str(queue_list)
diff --git a/stacks_queues/stack.py b/stacks_queues/stack.py
index 94fb2a6..7e14604 100644
--- a/stacks_queues/stack.py
+++ b/stacks_queues/stack.py
@@ -12,7 +12,7 @@ def push(self, element):
         """ Adds an element to the top of the Stack.
             Returns None
         """
-        pass
+        self.store.add_first(element)
 
     def pop(self):
         """ Removes an element from the top
@@ -21,13 +21,16 @@ def pop(self):
             The Stack is empty.
             returns None
         """
-        pass
+        if not self.store:
+            raise StackEmptyException("The stack is empty.")
+        self.store.remove_first()
+      
 
     def empty(self):
         """ Returns True if the Stack is empty
             And False otherwise
         """
-        pass
+        return self.store.empty()
 
     def __str__(self):
         """ Returns the Stack in String form like:
@@ -35,4 +38,4 @@ def __str__(self):
             Starting with the top of the Stack and
             ending with the bottom of the Stack.
         """
-        pass
+        return str(self.store)

From 90b205d125f28c509c8117d4bc473024566c05fe Mon Sep 17 00:00:00 2001
From: Hena <lee.henajane@gmail.com>
Date: Sat, 18 Dec 2021 16:38:39 -0600
Subject: [PATCH 2/2] Passes all tests for real this time

---
 stacks_queues/stack.py | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/stacks_queues/stack.py b/stacks_queues/stack.py
index 7e14604..1017817 100644
--- a/stacks_queues/stack.py
+++ b/stacks_queues/stack.py
@@ -21,10 +21,7 @@ def pop(self):
             The Stack is empty.
             returns None
         """
-        if not self.store:
-            raise StackEmptyException("The stack is empty.")
-        self.store.remove_first()
-      
+        return self.store.remove_first()
 
     def empty(self):
         """ Returns True if the Stack is empty