def normalize_query_parameters(params):
    '9.1.1.  Normalize Request Parameters'
    return '&'.join(map((lambda pair: '='.join([_quote(pair[0]), _quote(pair[1])])), sorted(params.items())))
9.1.1.  Normalize Request Parameters
def normalize_query_parameters(params):
    
    return '&'.join(map((lambda pair: '='.join([_quote(pair[0]), _quote(pair[1])])), sorted(params.items())))