if == " main ": if len(sys.argv) != 3: print("Usage: python npv2_unlocker.py input.npv2 output.txt") sys.exit(1)
It sounds like you're asking about a , script , or tool related to unlocking or decrypting NPV2 files — possibly save files or encrypted data from a specific software or game.
with open(sys.argv[1], "rb") as f: encrypted = f.read()