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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def cleanup(self):
 """Basic cleanup after modules. The state's output becomes the input for the next stage. Any errors are moved to the global_errors attribute so that they can be reported at a later stage. """

    # Move any existing errors to global errors
    self.global_errors.extend(self.errors)
    self.errors = []

    # Make the previous module's output available to the next module
    self.input = self.output
    self.output = []