11

list = []
n = int(input("Ile liczb chcesz wprowadzic?"))
for i in range(0, n):
    list.append(float(input()))
print("indeksy")
for i in enumerate(list):
    print(i)
print("odwrotnie")
for i in reversed(list):
    print(i)
list.sort()
print("posortowane")
for i in list:
    print(i)