def total(item, total)
      data = read_file
      match_name(item)
      data[@@item]["total"] = total.to_i
      time(item)
      write_file(data)
    end
def total(item, total)
      data = read_file
      match_name(item)
      data[@@item]["total"] = total.to_i
      time(item)
      write_file(data)
    end
Set total of existing item in Stocker's inventory
 @param item [String] item to update
 @param total [String] total on hand