add vectors task solution

codewars/thinkful-object drills.py

@@ -0,0 +1,17 @@
+class Vector:
+    def __init__(self, x, y):
+        self.x = x
+        self.y = y
+        
+    def add(self, other_vector):
+        new_x = self.x + other_vector.x
+        new_y = self.y + other_vector.y
+        
+        return Vector(new_x, new_y)
+        
+    
+    def subtract(self, other_vector):
+        new_x = self.x - other_vector.x
+        new_y = self.y - other_vector.y
+        
+        return Vector(new_x, new_y)