diff --git a/app/coordinates.py b/app/coordinates.py
index be972c6e..b324250a 100644
--- a/app/coordinates.py
+++ b/app/coordinates.py
@@ -1,23 +1,18 @@
 """app.coordinates.py"""
 
+class Coordinates:  
+def __init__(self, lat_long):  
+self.lat_long = lat_long  
 
-class Coordinates:
-    """
-    A position on earth using decimal coordinates (latitude and longitude).
-    """
+if __name__ == "__main__":  
+us_lat, us_long = 45, 60  
+us = Point(us_lat, us_long) 
+us_coord = Coorinates(us) 
 
-    def __init__(self, latitude, longitude):
-        self.latitude = latitude
-        self.longitude = longitude
 
-    def serialize(self):
-        """
-        Serializes the coordinates into a dict.
 
-        :returns: The serialized coordinates.
-        :rtype: dict
-        """
-        return {"latitude": self.latitude, "longitude": self.longitude}
+class Point:  
 
-    def __str__(self):
-        return "lat: %s, long: %s" % (self.latitude, self.longitude)
+def __init__(self, x, y):  
+self.x = x  
+self.y = y  
diff --git a/app/main.py b/app/main.py
index b9aff949..7ccb68e3 100644
--- a/app/main.py
+++ b/app/main.py
@@ -119,3 +119,4 @@ async def handle_validation_error(
     uvicorn.run(
         "app.main:APP", host="127.0.0.1", port=SETTINGS.port, log_level="info",
     )
+# this is a test comment
\ No newline at end of file
diff --git a/app/models.py b/app/models.py
index 497a4b83..843d71b2 100644
--- a/app/models.py
+++ b/app/models.py
@@ -22,40 +22,35 @@ class LatestResponse(BaseModel):
     latest: Latest
 
 
-class Timeline(BaseModel):
-    """
-    Timeline model.
-    """
+class Timeline(basemodel):  
 
-    timeline: Dict[str, int] = {}
+  def __init__(self, timeline):  
 
-    @validator("timeline")
-    @classmethod
-    def sort_timeline(cls, value):
-        """Sort the timeline history before inserting into the model"""
-        return dict(sorted(value.items()))
+   self.timeline = timeline  
 
-    @property
-    def latest(self):
-        """Get latest available history value."""
-        return list(self.timeline.values())[-1] if self.timeline else 0
+ 
 
-    def serialize(self):
-        """
-        Serialize the model into dict
-        TODO: override dict() instead of using serialize
-        """
-        return {**self.dict(), "latest": self.latest}
+class Timelines(basemodel):  
 
+  def __init__(self, confirmed, deaths, recovered):  
 
-class Timelines(BaseModel):
-    """
-    Timelines model.
-    """
+   self.confirmed = confirmed  
+
+   self.deaths = deaths  
+
+   self.recovered = recovered  
+
+ 
+
+  if __name__ == "__main__":  
+
+   confirm = Timeline({'Sat':10, 'Wed':20})  
+
+   death = Timeline({'Sat':10, 'Wed':20}) 
+
+   recovered = Timeline({'Sat':10, 'Wed':20})  
 
-    confirmed: Timeline
-    deaths: Timeline
-    recovered: Timeline
+   timelines_1 = Timelines(confirm, death, recovered) 
 
 
 class Location(BaseModel):
diff --git a/Makefile b/makefile
similarity index 100%
rename from Makefile
rename to makefile