import os
from chacha20poly1305 import ChaCha20Poly1305

key = os.urandom(32)
cip = ChaCha20Poly1305(key)

nonce = os.urandom(12)
ciphertext = cip.encrypt(nonce, b'test')

plaintext = cip.decrypt(nonce, ciphertext)
print('plaintex:',plaintext)
print('ciphertext:',ciphertext)
print('nonce:',nonce)
print('secret key:',key)

plain bytearray(b'test')
cip bytearray(b'G|W\xbbX\x15#\x94\x12\xff\xd6U\x8d\xb5T-m\xd0p$')
non b'\xce\xf6\xdb\xf2\xc47\xcc&\xc3b\xc9\x83'
key b'\x06\xb0\xbar\x89\xc3\xd7\xe66\x86h\xf0B\x81B\xbf\xbe\x11\xd3\x9e\xda\x9b\xf4\x90\xd0\xb2\x87\xc9S\x10\x1eM'
>>>