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Verilog
dictionary = {} count = int(input()) for _ in range(count): line = input() line_split = line.split() command = line_split[0] name = line_split[1] if command == "register": plate_number = line_split[2] if name in dictionary: print(f"ERROR: already registered with plate number {dictionary[name]}") else: dictionary[name] = plate_number print(f"{name} registered {plate_number} successfully") else: if name not in dictionary: print(f"ERROR: user {name} not found") else: dictionary.pop(name) print(f"{name} unregistered successfully") for name, plate_number in dictionary.items(): print(f"{name} => {plate_number}")
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