new_contents: def shellSort (param):
      index = len(param) 
      while index > 0:
          index2 = index
          while index2 < len(param):
              k = param[index2]
              index3 = index2
              while index3 >= index and k < param[index3-index]:
                  param[index3] = param[index3-index]
                  index3 = index3 - index
              param[index3] = k
              index2 = index2 + 1
          index = int(index/2)
      print(param)
      return param
  
  shellSort([3,9,1,2,5,100,2123,54,34,123,534])
  
subject: Create shell_sortTest.py