comefrom: <doocs>1422.Maximum Score After Splitting a String_1.py
code: def maxScore( s: str) -> int:
      ans = t = (s[0] == '0') + s[1:].count('1')
      for i in range(1, len(s) - 1):
          t += 1 if s[i] == '0' else -1
          ans = max(ans, t)
      return ans
masked: def sample_funcname ( var_0 : str ) -> int :
      var_9 = var_3 = ( var_0 [ 0 ] == '0' ) + var_0 [ 1 : ].count ( '1' )
      for var_12 in range ( 1 , len ( var_0 ) - 1 ) :
          var_3 += 1 if var_0 [ var_12 ] == '0' else - 1
          var_9 = max ( var_9 , var_3 )
      return var_9
  