comefrom: <qiyuangong>389_Find_the_Difference_1.py
code: def findTheDifference( s, t):
      res = ord(t[-1])
      for i in range(len(s)):
          res += ord(t[i])
          res -= ord(s[i])
      return chr(res)
masked: def sample_funcname ( var_0 , var_1 ) :
      var_4 = ord ( var_1 [ - 1 ] )
      for var_7 in range ( len ( var_0 ) ) :
          var_4 += ord ( var_1 [ var_7 ] )
          var_4 -= ord ( var_0 [ var_7 ] )
      return chr ( var_4 )
  