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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_schema(schema_path):
 """Prepare the api specification for request and response validation. :returns: a mapping from :class:`RequestMatcher` to :class:`ValidatorMap` for every operation in the api specification. :rtype: dict """

    with open(schema_path, 'r') as schema_file:
        schema = simplejson.load(schema_file)
    resolver = RefResolver('', '', schema.get('models', {}))
    return build_request_to_validator_map(schema, resolver)