code: def get_input_dir(job_homedir=None):
      '''
      :param job_homedir: explicit value for home directory, used for testing purposes
      :rtype: string
      :returns: path to input directory
  
      Returns the input directory, where all inputs are downloaded
      '''
      if job_homedir is not None:
          home_dir = job_homedir
      else:
          home_dir = environ.get('HOME')
      idir = os.path.join(home_dir, 'in')
      return idif get_input_dir(job_homedir=None):
      '''
      :param job_homedir: explicit value for home directory, used for testing purposes
      :rtype: string
      :returns: path to input directory
  
      Returns the input directory, where all inputs are downloaded
      '''
      if job_homedir is not None:
          home_dir = job_homedir
      else:
          home_dir = environ.get('HOME')
      idir = os.path.join(home_dir, 'in')
      return idir
docs: :param job_homedir: explicit value for home directory, used for testing purposes
      :rtype: string
      :returns: path to input directory
  
      Returns the input directory, where all inputs are downloaded