code: def scrypt(password, salt='', n=2**20, r=8, p=1,
             maxmem=2**25, dklen=64):
      
      return nacl.bindings.crypto_pwhash_scryptsalsa208sha256_ll(
          password, salt, n, r, p, maxmem=maxmem, dklen=dklen)
docs: Derive a cryptographic key using the scrypt KDF.
  
      Implements the same signature as the ``hashlib.scrypt`` implemented
      in cpython version 3.6