List months$\_$list$1$ is created with the first two integers read from input. Then, list months$\_$list$2$ is created with the last two integers read from input. Create a list called months$\_$list$3$ that concatenates months$\_$list$1$ to the end of months$\_$list$2.$ Then, assign a variable called element$\_$index with the index of the element $2$ in months$\_$list$3.$