comefrom: <doocs>2264.Largest 3-Same-Digit Number in String_1.py
code: def largestGoodInteger( num: str) -> str:
      for i in range(9, -1, -1):
          t = str(i) * 3
          if t in num:
              return t
      return ''
masked: def sample_funcname ( var_0 : str ) -> str :
      for var_5 in range ( 9 , - 1 , - 1 ) :
          var_7 = str ( var_5 ) * 3
          if var_7 in var_0 :
              return var_7
      return ''
  