old_contents: import re
  from django.conf import settings
  
  
  def can_execute_unsafe_code(course_id):
      # To decide if we can run unsafe code, we check the course id against
      # a list of regexes configured on the server.
      for regex in settings.COURSES_WITH_UNSAFE_CODE:
          if re.match(regex, course_id):
              return True
      return False
  
new_contents: import re
  from django.conf import settings
  
  
  def can_execute_unsafe_code(course_id):
      """
      Determine if this course is allowed to run unsafe code.
  
      For use from the ModuleStore.  Checks the `course_id` against a list of whitelisted
      regexes.
  
      Returns a boolean, true if the course can run outside the sandbox.
  
      """
      # To decide if we can run unsafe code, we check the course id against
      # a list of regexes configured on the server.
      for regex in settings.COURSES_WITH_UNSAFE_CODE:
          if re.match(regex, course_id):
              return True
      return False
  
subject: add docstring to newly refactored method