def main():
	family={'greg': 12, 'yael':13, 'michal':16, 'frank':44, 'tom' :25}
	print(family)
	s_list=sorted(family.items())
	print("sort by key - name")
	print(s_list)
	s_list_value=sorted(family.items(), key=lambda x:x[1])
	print("sort by value - age")
	print(s_list_value)
	for i in  s_list_value:
		print( i, s_list_value[i])
	s_list_value_reverse=sorted(family.items(), key=lambda x: x[1], reverse=True)
	print("sort by value in reverse order")
	print(s_list_value_reverse)
main()