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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 _add_dispatcher(self, path_regex, dispatch_function):
 """Add a request path and dispatch handler. Args: path_regex: A string regex, the path to match against incoming requests. dispatch_function: The function to call for these requests. The function should take (request, start_response) as arguments and return the contents of the response body. """

    self._dispatchers.append((re.compile(path_regex), dispatch_function))