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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 load_commands_from_entry_point(self, specifier):
 """ Load commands defined within a pkg_resources entry point. Each entry will be a module that should be searched for functions decorated with the :func:`subparse.command` decorator. This operation is not recursive. """

        for ep in pkg_resources.iter_entry_points(specifier):
            module = ep.load()
            command.discover_and_call(module, self.command)