Programa de Python para eliminar los caracteres duplicados de una cadena dada.
>>> foo = 'mppmt'
>>> ''.join(sorted(set(foo), key=foo.index))
'mpt'
Glorious Giraffe
>>> foo = 'mppmt'
>>> ''.join(sorted(set(foo), key=foo.index))
'mpt'def unique_list(l):
ulist = []
[ulist.append(x) for x in l if x not in ulist]
return ulist
a="calvin klein design dress calvin klein"
a=' '.join(unique_list(a.split()))''.join(list(dict.fromkeys(list(messagel))))