comefrom: <doocs>1332.Remove Palindromic Subsequences_1.py
code: def removePalindromeSub( s: str) -> int:
      if not s:
          return 0
      if s[::-1] == s:
          return 1
      return 2
masked: def sample_funcname ( var_0 : str ) -> int :
      if not var_0 :
          return 0
      if var_0 [ : : - 1 ] == var_0 :
          return 1
      return 2
  