Magcard Write Read Utility Program |link| May 2026

def read_track(self, track_num): if track_num == 1: return self.track1 elif track_num == 2: return self.track2 elif track_num == 3: return self.track3 else: raise ValueError("Track must be 1, 2, or 3")

TRACK_MAX_LEN = 1: 79, 2: 40, 3: 107 class MagCard: def init (self): self.track1 = "" self.track2 = "" self.track3 = "" magcard write read utility program

# Interactive mode card = MagCard() print("\n===== MagCard Utility (Simulated) =====") print("Commands: w(rite), r(ead), d(isplay), c(lear), q(uit)\n") while True: cmd = input("> ").strip().lower() if cmd == 'q': break elif cmd == 'w': interactive_write(card) elif cmd == 'r': interactive_read(card) elif cmd == 'd': display_card(card) elif cmd == 'c': card.clear() print("Card cleared.") else: print("Unknown command. Try w, r, d, c, q.") if == " main ": main() How to use it 1. Interactive mode Run the script with no arguments: def read_track(self, track_num): if track_num == 1: return