diff --git a/0001-Re-add-sample-unit-test.patch b/0001-Re-add-sample-unit-test.patch
new file mode 100644
index 00000000000..f682207a26d
--- /dev/null
+++ b/0001-Re-add-sample-unit-test.patch
@@ -0,0 +1,44 @@
+From 879221fec2b863d37d5b493f02a530a8098ef6ef Mon Sep 17 00:00:00 2001
+From: Joe Ferrer <joe@theforage.com>
+Date: Wed, 1 Mar 2023 00:11:51 +1100
+Subject: [PATCH] Re-add sample unit test
+
+---
+ client_test.py | 25 +++++++++++++++++++++++++
+ 1 file changed, 25 insertions(+)
+ create mode 100644 client_test.py
+
+diff --git a/client_test.py b/client_test.py
+new file mode 100644
+index 0000000..af2bf26
+--- /dev/null
++++ b/client_test.py
+@@ -0,0 +1,25 @@
++import unittest
++from client3 import getDataPoint
++
++class ClientTest(unittest.TestCase):
++  def test_getDataPoint_calculatePrice(self):
++    quotes = [
++      {'top_ask': {'price': 121.2, 'size': 36}, 'timestamp': '2019-02-11 22:06:30.572453', 'top_bid': {'price': 120.48, 'size': 109}, 'id': '0.109974697771', 'stock': 'ABC'},
++      {'top_ask': {'price': 121.68, 'size': 4}, 'timestamp': '2019-02-11 22:06:30.572453', 'top_bid': {'price': 117.87, 'size': 81}, 'id': '0.109974697771', 'stock': 'DEF'}
++    ]
++    """ ------------ Add the assertion below ------------ """
++
++  def test_getDataPoint_calculatePriceBidGreaterThanAsk(self):
++    quotes = [
++      {'top_ask': {'price': 119.2, 'size': 36}, 'timestamp': '2019-02-11 22:06:30.572453', 'top_bid': {'price': 120.48, 'size': 109}, 'id': '0.109974697771', 'stock': 'ABC'},
++      {'top_ask': {'price': 121.68, 'size': 4}, 'timestamp': '2019-02-11 22:06:30.572453', 'top_bid': {'price': 117.87, 'size': 81}, 'id': '0.109974697771', 'stock': 'DEF'}
++    ]
++    """ ------------ Add the assertion below ------------ """
++
++
++  """ ------------ Add more unit tests ------------ """
++
++
++
++if __name__ == '__main__':
++    unittest.main()
+-- 
+2.43.0.windows.1
+
diff --git a/__pycache__/client3.cpython-311.pyc b/__pycache__/client3.cpython-311.pyc
new file mode 100644
index 00000000000..a79d0f0a61f
Binary files /dev/null and b/__pycache__/client3.cpython-311.pyc differ
diff --git a/client.py b/client3.py
similarity index 90%
rename from client.py
rename to client3.py
index 3fc09b75f16..b4a4b2ca945 100644
--- a/client.py
+++ b/client3.py
@@ -35,14 +35,16 @@ def getDataPoint(quote):
     stock = quote['stock']
     bid_price = float(quote['top_bid']['price'])
     ask_price = float(quote['top_ask']['price'])
-    price = bid_price
+    price = (bid_price + ask_price)/2
     return stock, bid_price, ask_price, price
 
 
 def getRatio(price_a, price_b):
     """ Get ratio of price_a and price_b """
     """ ------------- Update this function ------------- """
-    return 1
+    if(price_b == 0):
+        return
+    return price_a/price_b
 
 
 # Main
@@ -52,8 +54,10 @@ def getRatio(price_a, price_b):
         quotes = json.loads(urllib.request.urlopen(QUERY.format(random.random())).read())
 
         """ ----------- Update to get the ratio --------------- """
+        prices = {}
         for quote in quotes:
             stock, bid_price, ask_price, price = getDataPoint(quote)
+            prices[stock] = price
             print("Quoted %s at (bid:%s, ask:%s, price:%s)" % (stock, bid_price, ask_price, price))
 
-        print("Ratio %s" % getRatio(price, price))
+        print("Ratio %s" % getRatio(prices['ABC'], prices['DEF']))
diff --git a/client_test.py b/client_test.py
new file mode 100644
index 00000000000..e93ec5eeedb
--- /dev/null
+++ b/client_test.py
@@ -0,0 +1,29 @@
+import unittest
+from client3 import getDataPoint
+
+class ClientTest(unittest.TestCase):
+  def test_getDataPoint_calculatePrice(self):
+    quotes = [
+      {'top_ask': {'price': 121.2, 'size': 36}, 'timestamp': '2019-02-11 22:06:30.572453', 'top_bid': {'price': 120.48, 'size': 109}, 'id': '0.109974697771', 'stock': 'ABC'},
+      {'top_ask': {'price': 121.68, 'size': 4}, 'timestamp': '2019-02-11 22:06:30.572453', 'top_bid': {'price': 117.87, 'size': 81}, 'id': '0.109974697771', 'stock': 'DEF'}
+    ]
+    """ ------------ Add the assertion below ------------ """
+    for quote in quotes:
+      self.assertEqual(getDataPoint(quote),(quote['stock'],quote['top_bid']['price'],quote['top_ask']['price'],(quote['top_bid']['price']+quote['top_ask']['price'])/2))
+
+  def test_getDataPoint_calculatePriceBidGreaterThanAsk(self):
+    quotes = [
+      {'top_ask': {'price': 119.2, 'size': 36}, 'timestamp': '2019-02-11 22:06:30.572453', 'top_bid': {'price': 120.48, 'size': 109}, 'id': '0.109974697771', 'stock': 'ABC'},
+      {'top_ask': {'price': 121.68, 'size': 4}, 'timestamp': '2019-02-11 22:06:30.572453', 'top_bid': {'price': 117.87, 'size': 81}, 'id': '0.109974697771', 'stock': 'DEF'}
+    ]
+    """ ------------ Add the assertion below ------------ """
+    for quote in quotes:
+      self.assertEqual(getDataPoint(quote),(quote['stock'],quote['top_bid']['price'],quote['top_ask']['price'],(quote['top_bid']['price']+quote['top_ask']['price'])/2))
+
+
+  """ ------------ Add more unit tests ------------ """
+
+
+
+if __name__ == '__main__':
+    unittest.main()
diff --git a/server.py b/server3.py
similarity index 100%
rename from server.py
rename to server3.py