Create a dictionary named person$\_$dict containing key$-$value pairs 'first$\_$name': 'Ari', 'last$\_$name': 'Lane', and 'license': $\text{'}$PQR$123\text{'}.$

Read strings new$\_$key and new$\_$value from input.

Add new$\_$key and new$\_$value as a new key$-$value pair to person$\_$dict with new$\_$key as the key and new$\_$value as the value.