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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 _get_rh_methods(rh):
 """Yield all HTTP methods in ``rh`` that are decorated with schema.validate"""

    for k, v in vars(rh).items():
        if all([
            k in HTTP_METHODS,
            is_method(v),
            hasattr(v, "input_schema")
        ]):
            yield (k, v)