def get_count(self):
        return len(self.get_row())
Set key to value if key does not already exist
dataset/ETHPy150Open travishathaway/python-ach/ach/data_types.py/Header.get_count--crossover with--dataset/ETHPy150Open echonest/echoprint-server/API/pytyrant.py/Tyrant.putkeep