<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def get_callable_name(c):
 """ Get a human-friendly name for the given callable. :param c: The callable to get the name for :type c: callable :rtype: unicode """

    if hasattr(c, 'name'):
        return six.text_type(c.name)
    elif hasattr(c, '__name__'):
        return six.text_type(c.__name__) + u'()'
    else:
        return six.text_type(c)