No testdata at current.

Background

Description

python-turtle 使用屏幕事件-通过onkey按键向上（“Up”）画蓝色的圆，通过onkeyrelease按键向左（“Left”）画黄色的圆，通过onkeypress按键向右（“Right”）画红色的圆

Format

Input

Output

Samples

Limitation

1s, 1024KiB for each test case.