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教 青少年 寫程式從 Scratch 2.0 到 Python 3.3

Renyuan Lyu呂仁園長庚大學，資訊系http://scratch.mit.edu/users/ryTemp2014_001/

https://dl.dropboxusercontent.com/u/33089565/ry2014_thinkcspy/html/_ryTest01.html

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ryCatStar00 ，貓咪之星• http://scratch.mit.edu/projects/20615907/

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• 主程式流程

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• 畫三角形• 畫五邊形• 畫多邊形• 畫五星形• 畫貓咪之星

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rySolveEquation00 ，解 2 元 1 次方程式• http://scratch.mit.edu/projects/20607239/

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• 主程式流程

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• 輸入方程式係數a, b, c,e, f, g

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• 解 2 元 1 次方程式演算法，行列式計算。

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ryArkanoid00 ，敲磚塊遊戲• http://scratch.mit.edu/projects/20604541/• http://scratch.mit.edu/projects/17662884/

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• 球拍 (Paddle) 、球 (Tennis Ball)

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• 磚塊 (block)

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• 失敗精靈、勝利精靈

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• Pong with High Score– http://scratch.mit.edu/projects/12778537/

• 由此延伸出去，看看別人如何寫程式。• http://scratch.mit.edu/projects/12778537/remixes

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Python

• 如何像電腦科學家一樣的思考– 用 Python 3 來學習– https://dl.dropboxusercontent.com/u/33089565/r

y2014_thinkcspy/html/index.html

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CPU, RAM, HardDisk

• Computer Components– https://www.youtube.com/watch?v=rK3YxmkarIg

– In this section you learn a little about the architecture of a computer and some general terms to use when talking about computer programs. This includes:• CPU - Central Processing Unit• RAM - Random Access Memory• Hard Drive - A Persistent Storage Device

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Python 程式語言很簡單

• https://dl.dropboxusercontent.com/u/33089565/ry2014_thinkcspy/html/_ryTest01.html

• 列出 99 乘法表• 列出 100 以內的質數• 求二元一次方程式的解• 小烏龜

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Hello, little turtles!嗨，小烏龜！• https://dl.dropboxusercontent.com/u/330895

65/ry2014_thinkcspy/html/hello_little_turtles.html

from turtle import *

def main(): mode("logo") speed(10) shape("arrow") pensize(3) circle(66) rt(180) circle(66) pu() lt(90) fd(33) rt(90) ….