Merge pull request faif#81 from LiVincent-Zhang/master

modified the proxy.py.

Author: faif

proxy.py

@@ -5,7 +5,6 @@
 
 
 class SalesManager:
-
  def work(self):
  print("Sales Manager working...")
 
@@ -14,7 +13,6 @@ def talk(self):
 
 
 class Proxy:
-
  def __init__(self):
  self.busy = 'No'
  self.sales = None
@@ -30,14 +28,32 @@ def work(self):
  print("Sales Manager is busy")
 
 
+class NoTalkProxy(Proxy):
+ def __init__(self):
+ Proxy.__init__(self)
+
+ def work(self):
+ print("Proxy checking for Sales Manager availability")
+ time.sleep(2)
+ print("This Sales Manager will not talk to you whether he/she is busy or not")
+
+
 if __name__ == '__main__':
  p = Proxy()
  p.work()
  p.busy = 'Yes'
  p.work()
+ p = NoTalkProxy()
+ p.work()
+ p.busy = 'Yes'
+ p.work()
 
 ### OUTPUT ###
 # Proxy checking for Sales Manager availability
 # Sales Manager ready to talk
 # Proxy checking for Sales Manager availability
 # Sales Manager is busy
+# Proxy checking for Sales Manager availability
+# This Sales Manager will not talk to you whether he/she is busy or not
+# Proxy checking for Sales Manager availability
+# This Sales Manager will not talk to you whether he/she is busy or not