input: 
  def sru_search_example():
      """
      Demonstrates how to use the sru class to search and retrieve data from the KB SRU API.
      >>> search_result = sru().search("python", "GGC", 1, 1)
      >>> search_result.titles
      ['Practical Python Programming: 21 Days of Mastery - (Course / Self Study)']
      """
  
output:     from sru import sru
      search_result = sru().search("python", "GGC", 1, 1)
      return search_result