Modify the field example to remove the use of interface

Author: amitsaha

examples/field_example.py

@@ -1,15 +1,12 @@
 import graphene
 
 
-class Person(graphene.Interface):
+class Patron(graphene.ObjectType):
+    id = graphene.ID()
     name = graphene.String()
     age = graphene.ID()
 
 
-class Patron(Person):
-    id = graphene.ID()
-
-
 class Query(graphene.ObjectType):
 
     patron = graphene.Field(Patron)
@@ -27,5 +24,4 @@ def resolve_patron(self, args, info):
 }
 '''
 result = schema.execute(query)
-# Print the result
 print(result.data['patron'])