Function Interfaces and Callback-Based Code : Interface « Class « Python Tutorial

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Python Tutorial » Class » Interface   11. 12. 2. Function Interfaces and Callback-Based Code class Callback:     def __init__(self, color):                     self.color = color     def __call__(self):                            print 'turn', self.color cb1 = Callback('blue')                     cb2 = Callback('green') cb1(  )                                    cb2(  )                                    cb3 = (lambda color='red': 'turn ' + color)  print cb3(  ) 11. 12. Interface 11. 12. 1.  Class Interface Techniques 11. 12. 2.  Function Interfaces and Callback-Based Code

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