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def func():    passwhile True:    try:        func()        # do something such as print or something else    except:        # do something such as break

实例：（快被这个搞死了）

import syswhile True:    try:        arr = []        n = int(raw_input())        for i in range(n):            num = int(raw_input())            arr.append(num)        res = sorted(list(set(arr)))        for i in res:            print i    except:        break

import sys  while True:    try:        data=[]        new_data=[]          n=int(sys.stdin.readline()[:-1])          for i in range(n):            a=int(sys.stdin.readline()[:-1])            data.append(a)          new_data=list(set(data))        new_data.sort()          for j in new_data:            print j    except:        break

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