def rev_reg_id2cred_def_id__tag(rr_id: str) -> (str, str):
return (<EOL>'<STR_LIT::>'.join(rr_id.split('<STR_LIT::>')[<NUM_LIT:2>:-<NUM_LIT:2>]),  <EOL>str(rr_id.split('<STR_LIT::>')[-<NUM_LIT:1>])  <EOL>)<EOL>
Given a revocation registry identifier, return its corresponding credential definition identifier and
(stringified int) tag.

:param rr_id: revocation registry identifier
:return: credential definition identifier and tag