code: def filer(filelist):
      
      # Initialise the dictionary
      filedict = dict()
      for seqfile in filelist:
          # Split off the file extension and remove the path from the name
          strainname = os.path.splitext(os.path.basename(seqfile))[0]
          # Populate the dictionary
          filedict[strainname] = seqfile
      return filedict
docs: Helper script that creates a dictionary of the stain name: /sequencepath/strain_name.extension)
      :param filelist: list of files to parse
      :return filedict: dictionary of stain name: /sequencepath/strain_name.extension