<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def module_help(self, module):
 """Describes the key flags of a module. Args: module: module|str, the module to describe the key flags for. Returns: str, describing the key flags of a module. """

    helplist = []
    self._render_our_module_key_flags(module, helplist)
    return '\n'.join(helplist)