使用legend_elements()在matplotlib散点图中自动创建图例

handles, labels = legend_elements(marker='o', color='b', label='Legend')

import matplotlib.pyplot as plt

# 创建散点图
x = [1, 2, 3, 4, 5]
y = [2, 4, 6, 8, 10]
plt.scatter(x, y, marker='o', color='b', label='Data')

# 创建图例
handles, labels = plt.legend_elements(marker='o', color='b', label='Legend')
plt.legend(handles, labels)

# 显示图形
plt.show()