def graph6data(str):
    v = [ord(c)-63 for c in str]
    if min(v) < 0 or max(v) > 63:
        return None
    return v
Check if the config file is modifiable.
dataset/ETHPy150Open gkno/gkno_launcher/src/networkx/readwrite/sparsegraph6.py/graph6data--crossover with--dataset/ETHPy150Open bitxbay/BitXBay/electru/build/lib/electrum/simple_config.py/SimpleConfig.is_modifiable