Professional programmer (over 20 years), experienced private tutor. Teaching computer science including various programming languages (Python, Java, Scratch etc.). Teaching high school, university students in preparing AP, IGCSE exam as well as university course. Assist student to obtain score 5 result successfully. 專業電腦程式編寫、軟件開發員（20年以上）及資深私人補習導師。教授電腦科學資信科技及多種編程語言（Python，Java及Scratch等）。教導高中及大學學生，應付AP，IGCSE試及學校課程。協助考生成功取得5分成績。