Generate random secret key

secret_key_generator.py

import os, string
import binascii

key = binascii.hexlify(os.urandom(24)).decode("utf-8")

#Random upper case letters
for i in range(1,15):
    char = random.choice(string.ascii_lowercase)
    key = "".join(c.upper() if c in var else c for i, c in enumerate(key))
    
print(key)