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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def ModuleLogger(globs):
 """Create a module level logger. To debug a module, create a _debug variable in the module, then use the ModuleLogger function to create a "module level" logger. When a handler is added to this logger or a child of this logger, the _debug variable will be incremented. All of the calls within functions or class methods within the module should first check to see if _debug is set to prevent calls to formatter objects that aren't necessary. """

    # make sure that _debug is defined
    if not globs.has_key('_debug'):
        raise RuntimeError("define _debug before creating a module logger")

    # logger name is the module name
    logger_name = globs['__name__']

    # create a logger to be assigned to _log
    logger = logging.getLogger(logger_name)

    # put in a reference to the module globals
    logger.globs = globs

    # if this is a "root" logger add a default handler for warnings and up
    if '.' not in logger_name:
        hdlr = logging.StreamHandler()
        hdlr.setLevel(logging.WARNING)
        hdlr.setFormatter(logging.Formatter(logging.BASIC_FORMAT, None))
        logger.addHandler(hdlr)

    return logger