Added receiving through yield sample code.

jslvtr · jslvtr · commit 062201420b8a · 2018-02-26T21:37:10.000Z
diff --git a/section12/sample_code/11_receiving_through_yield.py b/section12/sample_code/11_receiving_through_yield.py
@@ -0,0 +1,21 @@
+from collections import deque
+
+friends = deque(('Rolf', 'Jose', 'Charlie', 'Jen', 'Anna'))
+
+
+def friend_upper():
+    while friends:
+        friend = friends.popleft().upper()
+        greeting = yield
+        print(f'{greeting} {friend}')
+
+
+def greet(g):
+    yield from g
+
+
+greeter = greet(friend_upper())
+greeter.send(None)
+greeter.send('Hello')
+print('Hello, world! Multitasking...')
+greeter.send('How are you,')
