comefrom: <qiyuangong>038_Count_and_Say_1.py
code: def count( x):
      m = list(x)
      res = []
      m.append(None)
      i , j = 0 , 0
      while i < len(m) - 1:
          j += 1
          if m[j] != m[i]:
              res += [j - i, m[i]]
              i = j
      return ''.join(str(s) for s in res)
masked: def sample_funcname ( var_0 ) :
      var_1 = list ( var_0 )
      var_2 = [ ]
      var_1.append ( None )
      var_3 , var_4 = 0 , 0
      while var_3 < len ( var_1 ) - 1 :
          var_4 += 1
          if var_1 [ var_4 ] != var_1 [ var_3 ] :
              var_2 += [ var_4 - var_3 , var_1 [ var_3 ] ]
              var_3 = var_4
      return ''.join ( str ( var_5 ) for var_5 in var_2 )
  