File 'three.txt$\text{'}$ is opened for writing. data$\_$file$\_$obj is assigned with the opened file. Integer first$\_$val is read from input. Complete the following tasks:

Write the values of first$\_$val, first$\_$val $-5,$ and first$\_$val $-10$ to data$\_$file$\_$obj. Separate each value with a comma $(\text{'},\text{'}).$

Write a newline to the data$\_$file$\_$obj.

Write the sum of first$\_$val, first$\_$val $-5,$ and first$\_$val $-10$ to data$\_$file$\_$obj.

Write another newline to data$\_$file$\_$obj.