code: def insert_section(ol,sec,loc,**kwargs):
      '''
          ol = initRange(0,20,1)
          ol
          loc = 6
          sec = ['a','b','c','d']
          rslt = insert_section(ol,sec,loc)
          rslt
          ####
      '''
      if('mode' in kwargs):
          mode = kwargs["mode"]
      else:
          mode = "new"
      secs = [sec]
      locs = [loc]
      return(insert_sections_many(ol,secs,locs,mode=mode)f insert_section(ol,sec,loc,**kwargs):
      '''
          ol = initRange(0,20,1)
          ol
          loc = 6
          sec = ['a','b','c','d']
          rslt = insert_section(ol,sec,loc)
          rslt
          ####
      '''
      if('mode' in kwargs):
          mode = kwargs["mode"]
      else:
          mode = "new"
      secs = [sec]
      locs = [loc]
      return(insert_sections_many(ol,secs,locs,mode=mode))
docs: ol = initRange(0,20,1)
          ol
          loc = 6
          sec = ['a','b','c','d']
          rslt = insert_section(ol,sec,loc)
          rslt
          ####