Method safe_string_lower_2

python/ccxt/base/exchange.py:855–857

(dictionary, key1, key2, default_value=None)

    @staticmethod
    def safe_string_lower_2(dictionary, key1, key2, default_value=None):
        value = Exchange.safe_string_2(dictionary, key1, key2, default_value)
        return value.lower() if value is not None else value

    @staticmethod
    def safe_string_upper_2(dictionary, key1, key2, default_value=None):