code: def parse_input_samples(job, inputs):
      
      job.fileStore.logToMaster('Parsing input samples and batching jobs')
      samples = []
      if inputs.config:
          with open(inputs.config, 'r') as f:
              for line in f.readlines():
                  if not line.isspace():
                      sample = line.strip().split(',')
                      assert len(sample) == 2, 'Error: Config file is inappropriately formatted.'
                      samples.append(sample)
      job.addChildJobFn(map_job, download_sample, samples, inputs)
docs: Parses config file to pull sample information.
      Stores samples as tuples of (uuid, URL)
  
      :param JobFunctionWrappingJob job: passed by Toil automatically
      :param Namespace inputs: Stores input arguments (see main)