Change the Printer class to implement multiple printer types

src/printers.py

@@ -0,0 +1,18 @@
+"""
+A collection of Printers.
+
+It has methods to discover printers, and provides an interface for the methods expected from printers.
+"""
+
+from printer import Printer
+
+class Printers():
+    """
+    A collection of Printers
+    """
+    def __init__(self, name, age):
+        self.name = name
+        self.age = age
+
+    def _discover_printers(self):
+        pass