code: def wallet_contains(self, wallet, account):
          
  
          wallet = self._process_value(wallet, 'wallet')
          account = self._process_value(account, 'account')
  
          payload = {"wallet": wallet, "account": account}
  
          resp = self.call('wallet_contains', payload)
  
          return resp['exists'] == '1'
docs: Check whether **wallet** contains **account**
  
          :param wallet: Wallet to check contains **account**
          :type wallet: str
  
          :param account: Account to check exists in **wallet**
          :type account: str
  
          :raises: :py:exc:`nano.rpc.RPCException`
  
          >>> rpc.wallet_contains(
          ...     wallet="000D1BAEC8EC208142C99059B393051BAC8380F9B5A2E6B2489A277D81789F3F",
          ...     account="xrb_3e3j5tkog48pnny9dmfzj1r16pg8t1e76dz5tmac6iq689wyjfpi00000000"
          ... )
          True