Replace the public_key_hex with the public key used to create the token, and the symbol with the token symbol.
import bech32
import hashlib
public_key_hex = "02690937690ffb9d7ae8b67af05efc03a5a9f7e53933de80f92ce763a5554a1fa3"
symbol = b"rct"
public_key = bytearray.fromhex(public_key_hex)
m = hashlib.sha256()
m.update(public_key + symbol)
hash = m.digest()
n = hashlib.sha256()
n.update(hash)
hash2 = n.digest()
part = hash2[6:32]
readdr_bytes = b"\x03" + part
readdr_bytes5 = bech32.convertbits(readdr_bytes, 8 ,5)
resource_address = bech32.bech32_encode("rct_rr", readdr_bytes5)
print("Resource address: ", resource_address)
# rct_rr1q04fvesft0rsw9s66wrr0ccp30qwfysrdff67q2jxgvqxdcwfz