cities = ['paris', 'edinburough', 'amsterdam', 'prague', 'moscow']
	#default list
print(cities)
	#a-z
print(sorted(cities))
	#d.l
print(cities)
	#reverse order
cities.reverse()
print(cities)
	#d.l
cities.reverse()
print(cities)
	#a-z
cities.sort()
print(cities)
	#z-a
cities.sort(reverse=True)
print(cities)