def __init__(self, outFile):
    'Instantiate super class with passed message with passed in filename.'
    self.message = (('A file with the name ' + outFile) + ' already exists!')
    super().__init__(self.message)
Instantiate super class with passed message with passed in filename.
def __init__(self, outFile):
    
    self.message = (('A file with the name ' + outFile) + ' already exists!')
    super().__init__(self.message)