(https://github.com/LucasDev86/jycom/blob/main/lecture/1week/1_week.md)
(https://github.com/LucasDev86/jycom/blob/main/lecture/2week/2_week.md) (https://github.com/LucasDev86/jycom/blob/main/lecture/2week/2_week_2.md)
(https://github.com/LucasDev86/jycom/blob/main/lecture/4week/4_week.md)
(https://github.com/LucasDev86/jycom/blob/main/image/homework.md)