code: def join2(ol,*sps):
      '''
          from elist.elist import *
          ol = [1,2,3,4]
          join2(ol,"-","+","*")
      '''
      rslt =""
      length = ol.__len__()
      for i in range(0,length-1):
          rslt = rslt + str(ol[i]) + sps[i]
      rslt = rslt + str(ol[length - 1])
      return(rsltf join2(ol,*sps):
      '''
          from elist.elist import *
          ol = [1,2,3,4]
          join2(ol,"-","+","*")
      '''
      rslt =""
      length = ol.__len__()
      for i in range(0,length-1):
          rslt = rslt + str(ol[i]) + sps[i]
      rslt = rslt + str(ol[length - 1])
      return(rslt)
docs: from elist.elist import *
          ol = [1,2,3,4]
          join2(ol,"-","+","*")