[Código-Python] Metodo Burbuja - JaAViEr

i=[0]
x=raw_input("String:")
for d in range(len(x)):
    i.append(x[d])
i.remove(0)
i.sort()
print "Menor a Mayor:"
for fin in i:
    print fin,
print "\nMayor a Menor:"
i.reverse()
for final in i:
    print final,

String:123
Menor a Mayor:
1 2 3 
Mayor a Menor:
3 2 1

>>> 
String:javier
Menor a Mayor:
a e i j r v 
Mayor a Menor:
v r j i e a