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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def save_connection_settings(self):
 """Save user's kernel connection settings."""


        if not self.save_layout.isChecked():
            return

        is_ssh_key = bool(self.kf_radio.isChecked())
        connection_settings = {
            "json_file_path": self.cf.text(),
            "is_remote": self.rm_group.isChecked(),
            "username": self.un.text(),
            "hostname": self.hn.text(),
            "port": self.pn.text(),
            "is_ssh_keyfile": is_ssh_key,
            "ssh_key_file_path": self.kf.text()
        }
        CONF.set("existing-kernel", "settings", connection_settings)

        try:
            import keyring
            if is_ssh_key:
                keyring.set_password("spyder_remote_kernel",
                                     "ssh_key_passphrase",
                                     self.kfp.text())
            else:
                keyring.set_password("spyder_remote_kernel",
                                     "ssh_password",
                                     self.pw.text())
        except Exception:
            pass