text: 
  
  # zodiac_name = (u'摩羯座', u'水瓶座', u'双鱼座', u'白羊座', u'金牛座', u'双子座',
  #            u'巨蟹座', u'狮子座', u'处女座', u'天秤座', u'天蝎座', u'射手座')
  # zodiac_days = ((1, 20), (2, 19), (3, 21), (4, 21), (5, 21), (6, 22),
  #               (7, 23), (8, 23), (9, 23), (10, 23), (11, 23), (12, 23))
  #
  #
  # (month, day) = (2, 15)
  #
  # zodiac_day = filter(lambda  x: x<=(month, day), zodiac_days)
  # # print(zodiac_day)
  #
  # zodac_len = len(list(zodiac_day)) % 12
  # print(zodiac_name[zodac_len])
  
  a_list = ['abc', 'xyz']
  a_list.append('X')
  print (a_list)
  a_list.remove('xyz')
  print(a_list)
  
  