1const tasks = ["Configure server", "Setup database", "Initialize app"];
2
3// Add "Deploy application" to the end
4// Remove first task
5// Check if "Setup database" exists
6
7function manageTasks(taskList) {
8    taskList.unshift("Deploy application");
9    taskList.pop();
10    return taskList.includes("Setup database");
11}
12
13console.log(manageTasks(tasks));