function task_1(data) {

    class Task {
        constructor(id, title, status, points) {
            this.id = id
            this.title = title
            this.status = status
            this.points = points
        }
    }

    let board_num = Number(data.shift())
    let task_board = {}
    for (let i = 0; i < board_num; i++) {
        let [name, id, title, status, points] = data.shift().split(':')
        if (!task_board.hasOwnProperty(name)) {
            let new_task = new Task(id, title, status, points)
            task_board[name] = [new_task]
        } else {
            let new_task = new Task(id, title, status, points)
            task_board[name].push(new_task)
        }
    }
    for (let j = 0; j < data.length; j++) {
        let command_data = data[j].split(':')
        let command = command_data[0]
        if (command === 'Add New') {
            let hero_name = command_data[1]
            let task_id = command_data[2]
            let task_title = command_data[3]
            let task_status = command_data[4]
            let task_points = command_data[5]
            if (task_board.hasOwnProperty(hero_name)) {
                let added_task = new Task(task_id, task_title, task_status, task_points)
                task_board[hero_name].push(added_task)
            } else {
                console.log(`Assignee ${hero_name} does not exist on the board!`)
            }
        }
        else if (command === 'Change Status') {
            let current_name = command_data[1]
            let current_id = command_data[2]
            let new_status = command_data[3]
            if (task_board.hasOwnProperty(current_name)) {
                let change_status_task = get_current_task(task_board[current_name], current_id)
                if (change_status_task) {
                    change_status_task.status = new_status
                } else {
                    console.log(`Task with ID ${current_id} does not exist for ${current_name}!`)
                }
            } else {
                console.log(`Assignee ${current_name} does not exist on the board!`)
            }
        }
        else if (command === 'Remove Task') {
            let assignee_name  = command_data[1]
            let index = Number(command_data[2])
            if (task_board.hasOwnProperty(assignee_name)) {
                if (0 <= index && index < task_board[assignee_name].length) {
                    task_board[assignee_name].splice(index, 1)
                } else {
                    console.log("Index is out of range!")
                }
            } else {
                console.log(`Assignee ${assignee_name} does not exist on the board!`)
            }
        }
    }

    let to_do = 0
    let progress = 0
    let core_review = 0
    let done = 0
    let sum = 0

    let task_data = Object.values(task_board)
    for (const items of task_data) {
        for (const item of items) {
            if (item.status === 'ToDo') {
                to_do += Number(item.points)
                sum += Number(item.points)
            }
            else if (item.status === 'In Progress') {
                progress += Number(item.points)
                sum += Number(item.points)
            }
            else if (item.status === 'Code Review') {
                core_review += Number(item.points)
                sum += Number(item.points)
            }
            else if (item.status === 'Done') {
                done += Number(item.points)
            }
        }
    }

    console.log(`ToDo: ${to_do}pts`)
    console.log(`In Progress: ${progress}pts`)
    console.log(`Code Review: ${core_review}pts`)
    console.log(`Done Points: ${done}pts`)

    if (done >= sum) {
        console.log('Sprint was successful!')
    } else {
        console.log('Sprint was unsuccessful...')
    }



    function get_current_task(task_list, task_id) {
        for (const task of task_list) {
            if (task.id === task_id) {
                return task
            }
        }
    }
}