a=['qq','ww','ee','rr','tt']
print(a)
c=sorted(a)
print(c)
print(a)
c=sorted(a,reverse=True)
print(c)
print(a)
a.reverse()
print(a)
a.reverse()
print(a)
a.sort()
print(a)
a.sort(reverse=True)
print(a)
