code: def get_functions(fname):
      
      txt = '' 
      with open(fname, 'r') as f:
          for line in f:
              if line.strip()[0:4] == 'def ':
                  txt += '<PRE>' + strip_text_after_string(strip_text_after_string(line, '#')[4:], ':') + '</PRE>\n'
              if line[0:5] == 'class':
                  txt += '<PRE>' + strip_text_after_string(strip_text_after_string(line, '#'), ':') + '</PRE>\n'
      return txt + '<BR>'
docs: get a list of functions from a Python program