ch11-24: clean up by @eumiro & sync with Atlas

14-inheritance/README.rst

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+Sample code for Chapter 14 - "Inheritance: for good or for worse"
+
+From the book "Fluent Python, Second Edition" by Luciano Ramalho (O'Reilly, 2021)
+https://learning.oreilly.com/library/view/fluent-python-2nd/9781492056348/

14-inheritance/diamond.py

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+class A:
+    def ping(self):
+        print('ping:', self)
+
+
+class B(A):
+    def pong(self):
+        print('pong:', self)
+
+
+class C(A):
+    def pong(self):
+        print('PONG:', self)
+
+
+class D(B, C):
+
+    def ping(self):
+        super().ping()
+        print('post-ping:', self)
+
+    def pingpong(self):
+        self.ping()
+        super().ping()
+        self.pong()
+        super().pong()
+        C.pong(self)