def higher_gpa(courses, beat_me, limit=10):
	counts = {}
	sums = {}
	for course in courses:
		for fn in course:
			counts[fn] = counts.get(fn, 0) + 1
			sums[fn] = sums.get(fn, 0) + course[fn]
	res = [fn for fn in sums if sums[fn] > counts[fn] * beat_me]
	return res[:limit]