Add draw implementation for existing classes

point.py

@@ -23,15 +23,23 @@ class Point():
         return self.__y
     def __eq__(self, other):
         """Returns True if the points coordinates are the same, else returns False"""
-        return self.get_x() == other.get_x() and self.get_y() == other.get_y()
+        if other:
+            return self.get_x() == other.get_x() and self.get_y() == other.get_y()
+        return False
     def __ne__(self, other):
         """Returns True if the points coordinates are the different, else returns False"""
         return self.get_x() != other.get_x() or self.get_y() != other.get_y()
     def __str__(self):
         """Returns the coordinates as a string"""
         return "(" + str(round(self.get_x(), 2)) + "/" + str(round(self.get_y(), 2)) + ")"
-    def draw(self):
-        """TODO: Draw the point in a canvas"""
+    def draw(self, canvas, width, height, max_x, max_y, color="#000000", radius=1):
+        """Draw the point in a canvas"""
+        center_x = self.get_x() * (width / max_x)
+        center_y = height - (self.get_y() * (height / max_y))
+        if center_x <= width and center_y <= height:
+            canvas.create_oval(center_x - radius, center_y - radius, \
+                center_x + radius, center_y + radius, fill=color)
+        return center_x, center_y
 
 def get_random(min_x=0, max_x=100, min_y=0, max_y=100):
     """Set the point to a random place inside the boundaries"""