User-defined Exceptions: Name their own exceptions by creating a new exception class : Exception Class « Exception « Python

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Python » Exception » Exception Class Screenshots  User-defined Exceptions: Name their own exceptions by creating a new exception class #Exceptions should typically be derived from the Exception class, either directly or  #indirectly. For example: class MyError(Exception):      def __init__(self, value):          self.value = value      def __str__(self):          return repr(self.value)   try:      raise MyError(2*2) except MyError, e:      print 'My exception occurred, value:', e.value                       Related examples in the same category 1.  A programmer-defined exception class. 2.  Create a base class for exceptions defined by a module