code: def pref_group(title, prefs, help_text='', static=True, readonly=False):
      
      bind_proxy(prefs, title, help_text=help_text, static=static, readonly=readonly)
  
      for proxy in prefs:  # For preferences already marked by pref().
          if isinstance(proxy, PrefProxy):
              proxy.category = title
docs: Marks preferences group.
  
      :param str|unicode title: Group title
  
      :param list|tuple prefs: Preferences to group.
  
      :param str|unicode help_text: Field help text.
  
      :param bool static: Leave this preference static (do not store in DB).
  
      :param bool readonly: Make this field read only.