# 方式1:使用input接收输入 while True: try: n = input() nums = [] for i in range(int(n)): nums.append(int(input())) nums = list(set(nums)) nums = sorted(nums) for num in nums: print(num) except: break # 方式2:使用sys.stdin接收输入 # import sys # args = [] # for line in sys.stdin: # a = line.strip() # args.append(int(a)) # n, nums = args[0], args[1:] # nums = list(set(nums)) # nums.sort() # for num in nums: # print(num)