import string


def letras():
    s = string.ascii_lowercase
    for i in s[s.index('a'):s.index('n')]:
        yield i


letra = letras()
for l in letra:
    print(l)

e4a6e6c2520cffd3e30dbc1ec30cc6164839f1d6
<mask token>


def letras():
    s = string.ascii_lowercase
    for i in s[s.index('a'):s.index('n')]:
        yield i


<mask token>

<mask token>


def letras():
    s = string.ascii_lowercase
    for i in s[s.index('a'):s.index('n')]:
        yield i


<mask token>
for l in letra:
    print(l)

<mask token>


def letras():
    s = string.ascii_lowercase
    for i in s[s.index('a'):s.index('n')]:
        yield i


letra = letras()
for l in letra:
    print(l)

import string


def letras():
    s = string.ascii_lowercase
    for i in s[s.index('a'):s.index('n')]:
        yield i


letra = letras()
for l in letra:
    print(l)
