diff --git a/.github/workflows/pylint.yml b/.github/workflows/pylint.yml
new file mode 100644
index 00000000000..c73e032c0f3
--- /dev/null
+++ b/.github/workflows/pylint.yml
@@ -0,0 +1,23 @@
+name: Pylint
+
+on: [push]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ["3.8", "3.9", "3.10"]
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v3
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install pylint
+    - name: Analysing the code with pylint
+      run: |
+        pylint $(git ls-files '*.py')
diff --git a/client3.py b/client3.py
index 3fc09b75f16..484ab19cd87 100644
--- a/client3.py
+++ b/client3.py
@@ -35,14 +35,17 @@ 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):
+        #when price_b will 0 then zero avoid zeroDivisionError
+        return 
+    return price_a/price_b
 
 
 # Main
@@ -52,8 +55,10 @@ def getRatio(price_a, price_b):
         quotes = json.loads(urllib.request.urlopen(QUERY.format(random.random())).read())
 
         """ ----------- Update to get the ratio --------------- """
+        price = {}
         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
index af2bf26b3cc..54a36bd5629 100644
--- a/client_test.py
+++ b/client_test.py
@@ -8,6 +8,8 @@ def test_getDataPoint_calculatePrice(self):
       {'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['ask_bid']['price'],(quote['top_bid']['price'] + quote['top_ask']['price'])/2))
 
   def test_getDataPoint_calculatePriceBidGreaterThanAsk(self):
     quotes = [
@@ -15,10 +17,13 @@ def test_getDataPoint_calculatePriceBidGreaterThanAsk(self):
       {'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:
+      sel.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 ------------ """
 
+  """ ------------ Add more unit tests ------------ """
+  self.assertEqual(1,1)
 
 
 if __name__ == '__main__':