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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 invoke(self, formPostEmulator):
 """ Invoke my callable with input from the browser. @param formPostEmulator: a dict of lists of strings in a format like a cgi-module form post. """

        result = self.fromInputs(formPostEmulator)
        result.addCallback(lambda params: self.callable(**params))
        return result