W3School TIY Editor

# 三行配置使编译器支持绘图功能：

import sys

import matplotlib

matplotlib.use('Agg')

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import matplotlib.pyplot as plt

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x = [5,7,8,7,2,17,2,9,4,11,12,9,6]

y = [99,86,87,88,111,86,103,87,94,78,77,85,86]

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plt.scatter(x, y)

plt.show()

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# 两行代码实现图形输出：

plt.savefig(sys.stdout.buffer)

sys.stdout.flush()