Read string person$\_$name from input.

Create a dictionary containing key$-$value pairs $\text{'}$R$\text{'}$: $240,\text{'}$G$\text{'}$: $255,$ and $\text{'}$B$\text{'}$: $255.$

Add a new key$-$value pair to favorite$\_$color with person$\_$name as the key and the dictionary as the value.