initial creation

py3interm/EXAMPLES/attributes.py

@@ -0,0 +1,32 @@
+#!/usr/bin/env python
+
+class Spam():
+
+    def eggs(self, msg):  # <1>
+        print("eggs!", msg)
+
+
+s = Spam()
+
+s.eggs("fried")
+
+print("hasattr()", hasattr(s, 'eggs'))  # <2>
+
+e = getattr(s, 'eggs')  # <3>
+e("scrambled")
+
+
+def toast(self, msg):
+    print("toast!", msg)
+
+
+setattr(Spam, 'eggs', toast)  # <4>
+
+s.eggs("buttered!")
+
+delattr(Spam, 'eggs')  # <5>
+
+try:
+    s.eggs("shirred")
+except AttributeError as err:  # <6>
+    print(err)