diff --git a/request_final.py b/request_final.py
index fe5fd1e..db4f0dd 100644
--- a/request_final.py
+++ b/request_final.py
@@ -6,88 +6,83 @@
 app = Flask(__name__)
 
 base_url  = "/api/v1"
-data_path = os.getcwd() + "/data.json"
+data_path = f"{os.getcwd()}/data.json"
 
 #print(os.environ['LOG_LEVEL'])
 # GET
-@app.route(base_url + "/")
+@app.route(f"{base_url}/")
 def all():
     with open (data_path, 'r') as f:
         user_data= json.load(f)
     return jsonify(error = None, message = "All Objects Are Displayed", data = user_data['data'])
 
-@app.route(base_url + "/people/<int:t>")
+@app.route(f"{base_url}/people/<int:t>")
 def specific_id(t):
     with open (data_path, 'r') as f:
         user_data= json.load(f)
-    return jsonify(error = None, message = "Object with ID %s is displayed" % t , data = user_data['data'][t-1])
+    return jsonify(
+        error=None,
+        message=f"Object with ID {t} is displayed",
+        data=user_data['data'][t - 1],
+    )
 
 # POST
-@app.route(base_url + "/people" , methods = ["POST","GET"])
+@app.route(f"{base_url}/people", methods = ["POST","GET"])
 def test():
-    if request.method == "POST":
+    if request.method == "GET":
+        with open(data_path, 'r') as f:
+            user_data = json.load(f)
+            #print (user_data)
+        return jsonify({"error":None, "message":"Here is the required data", "data":user_data['data']})
+    elif request.method == "POST":
         a = request.json
-    
+
         with open(data_path, 'r') as f: #'r' - shows that the file should be read
             user_data = json.load(f) #json.load - used to deserialize/decode(convert json to py)
-            
+
         if len(a) == 0:
-            return jsonify(error = "present", message = "empty json obj") 
+            return jsonify(error = "present", message = "empty json obj")
+        if a in user_data['data']:
+            return jsonify(error = "present", message = "duplication") 
         else:
-            if a in user_data['data']:
-                return jsonify(error = "present", message = "duplication") 
-            else:
-                user_data['data'].append(a) #append - used to add an info in the existing dict
-            
-            
+            user_data['data'].append(a) #append - used to add an info in the existing dict
+
+
         with open(data_path,'w') as f:
             json.dump(user_data,f) #json.dump- used to serialize/encode(converting py to json)
 #json.dump is used to write data to a file.| json.dumps() is used to write to a python string
 # dump-converts dict of python to obj in json file.| dumps-converts dict obj of py to json string format
         return jsonify(error=None, message = "received sucesully")
-    
-
-    elif request.method == "GET":
-        with open(data_path, 'r') as f:
-            user_data = json.load(f)
-            #print (user_data)
-        return jsonify({"error":None, "message":"Here is the required data", "data":user_data['data']})
         # return (user_data['data'])
 # PUT 
-@app.route(base_url + "/people/data/<int:i>" , methods = ["PUT" , "GET","DELETE"])
+@app.route(f"{base_url}/people/data/<int:i>", methods = ["PUT" , "GET","DELETE"])
 def user(i):
-    if request.method == "PUT":
-        request_data = request.json
-
+    if request.method == "DELETE":
         with open(data_path , 'r') as f:
             user_data = json.load(f)
-        
-        user_data['data'][i-1].update(request_data)
-
-        with open(data_path,'w') as f:
-            json.dump(user_data,f)
-        return jsonify(error = None, message = "Latest Obj Updated")
-        #return jsonify(info = user_data['data'][i-1])
 
-    elif request.method == "DELETE":
-
-        with open(data_path , 'r') as f:
-            user_data = json.load(f)
-        
         user_data['data'].pop(i-1)
 
         with open(data_path,'w') as f:
             json.dump(user_data,f)
-        return jsonify(error = None, message = "Obj with ID %s is DELETED" % i )
-        #return jsonify(info = user_data['data'][i-1])
-
-
+        return jsonify(error = None, message=f"Obj with ID {i} is DELETED")
     elif request.method == "GET":
         with open(data_path , 'r') as f:
             user_data = json.load(f)
         return jsonify({"error":None, "message":"Here is the required data", "data":user_data['data']})
+    elif request.method == "PUT":
+        request_data = request.json
+
+        with open(data_path , 'r') as f:
+            user_data = json.load(f)
+
+        user_data['data'][i-1].update(request_data)
+
+        with open(data_path,'w') as f:
+            json.dump(user_data,f)
+        return jsonify(error = None, message = "Latest Obj Updated")
 
-@app.route(base_url + "/people/count")
+@app.route(f"{base_url}/people/count")
 def count():
     with open(data_path, 'r') as f:
         user_data = json.load(f)