import string
import random

alphabet = list(string.ascii_lowercase)   
key = list(string.ascii_lowercase)
random.shuffle(key)  
keydict = {};
for c in range(0,len(alphabet)):
    keydict[alphabet[c]] = key[c]; 
bea37a9578992b4d5a61a639ac9b363c15618376
<mask token>

<mask token>
random.shuffle(key)
<mask token>
for c in range(0, len(alphabet)):
    keydict[alphabet[c]] = key[c]

<mask token>
alphabet = list(string.ascii_lowercase)
key = list(string.ascii_lowercase)
random.shuffle(key)
keydict = {}
for c in range(0, len(alphabet)):
    keydict[alphabet[c]] = key[c]

import string
import random
alphabet = list(string.ascii_lowercase)
key = list(string.ascii_lowercase)
random.shuffle(key)
keydict = {}
for c in range(0, len(alphabet)):
    keydict[alphabet[c]] = key[c]

import string
import random

alphabet = list(string.ascii_lowercase)   
key = list(string.ascii_lowercase)
random.shuffle(key)  
keydict = {};
for c in range(0,len(alphabet)):
    keydict[alphabet[c]] = key[c]; 