comefrom: <qiyuangong>043_Multiply_Strings_1.py
code: def add_strings( s_list):
      if len(s_list) == 0:
          return '0'
      res = ''
      curr, pos = 0, 0
      max_ls = max([len(t) for t in s_list])
      while pos < max_ls:
          for s in s_list:
              if len(s) <= pos:
                  continue
              curr += int(s[len(s) - pos - 1])
          res = str(curr % 10) + res
          curr /= 10
          pos += 1
      if curr > 0:
          res = str(curr) + res
      return res
masked: def sample_funcname ( var_0 ) :
      if len ( var_0 ) == 0 :
          return '0'
      var_1 = ''
      var_2 , var_3 = 0 , 0
      var_5 = max ( [ len ( var_4 ) for var_4 in var_0 ] )
      while var_3 < var_5 :
          for var_6 in var_0 :
              if len ( var_6 ) <= var_3 :
                  continue
              var_2 += int ( var_6 [ len ( var_6 ) - var_3 - 1 ] )
          var_1 = str ( var_2 % 10 ) + var_1
          var_2 /= 10
          var_3 += 1
      if var_2 > 0 :
          var_1 = str ( var_2 ) + var_1
      return var_1
  