def find_method(module,searchstr,print_doc=True):
  """
  Returns a list of methods inside 'module' which contain 'searchstr' in their docstring

  Input: Module name and and string to search for, optionally prints the help for the methods (default=True)
  Output: List of methods
  """
  methods = []
  for submod_name in dir(module):
    submod = module.__getattribute__(submod_name)
    if submod.__doc__ and searchstr in submod.__doc__:
      methods += [submod]

  # print output
  if print_doc:
    print "%d methods founds. Show their help? [Y/n]"%(len(methods))
    inp = raw_input()
    if not inp or inp.lower() == "y":
      for method in methods:
        help(method)
  return methods