raise exception in python

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1# You can raise a error in python by using the raise keyword
2raise Exception("A error occured!")

1raise Exception("message")

1try:
2    someFunction()
3except Exception as ex:
4    template = "An exception of type {0} occurred. Arguments:\n{1!r}"
5    message = template.format(type(ex).__name__, ex.args)
6    print (message)

1raise Exception('I know Python!') # Don't! If you catch, likely to hide bugs.
2

1# Raise is used to cause an error
2raise(Exception("Put whatever you want here!"))
3raise(TypeError)

1#raise exception
2raise ValueError('A very specific bad thing happened.')

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