import uuid import hashlib import secrets

def add_lens(self, lens_id): if lens_id not in self.lenses_db: self.lenses_db[lens_id] = {"activation_codes": []} print(f"Lens {lens_id} added.") else: print(f"Lens {lens_id} already exists.")

class LensActivationSystem: def __init__(self): # Simplified database for demonstration self.lenses_db = {} self.activation_codes_db = {}