@doc_metadata(categories=['<STR_LIT>'])<EOL><INDENT>def accounts_frontiers(self, accounts):<DEDENT>
accounts = self._process_value(accounts, '<STR_LIT:list>')<EOL>payload = {"<STR_LIT>": accounts}<EOL>resp = self.call('<STR_LIT>', payload)<EOL>return resp.get('<STR_LIT>') or {}<EOL>
Returns a list of pairs of account and block hash representing the
head block for **accounts** list

:param accounts: Accounts to return frontier blocks for
:type accounts: list of str

:raises: :py:exc:`nano.rpc.RPCException`

>>> rpc.accounts_frontiers(
...     accounts=[
...         "xrb_3t6k35gi95xu6tergt6p69ck76ogmitsa8mnijtpxm9fkcm736xtoncuohr3",
...         "xrb_3i1aq1cchnmbn9x5rsbap8b15akfh7wj7pwskuzi7ahz8oq6cobd99d4r3b7"
...     ]
... )
{
    "xrb_3t6k35gi95xu6tergt6p69ck76ogmitsa8mnijtpxm9fkcm736xtoncuohr3":
        "791AF413173EEE674A6FCF633B5DFC0F3C33F397F0DA08E987D9E0741D40D81A",
    "xrb_3i1aq1cchnmbn9x5rsbap8b15akfh7wj7pwskuzi7ahz8oq6cobd99d4r3b7":
        "6A32397F4E95AF025DE29D9BF1ACE864D5404362258E06489FABDBA9DCCC046F"
}