def _extended_gcd(self, a, b):
        s, old_s = 0, 1
        t, old_t = 1, 0
        r, old_r = b, a
        while r:
            quotient = old_r // r
            old_r, r = r, old_r - quotient * r
            old_s, s = s, old_s - quotient * s
            old_t, t = t, old_t - quotient * t
        return old_r, old_s, old_t
Break down CSV file into transactions
dataset/ETHPy150Open pydata/pandas/pandas/indexes/range.py/RangeIndex._extended_gcd--crossover with--dataset/ETHPy150Open treeio/treeio/treeio/finance/csvapi.py/ProcessTransactions.parse_transactions