绘制折线图后,我尝试在图中添加图例。但是它没有出现。下面是代码:
import matplotlib.pyplot as plt
ages_x = [25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35]
# Median Developer Salaries by Age
dev_y = [38496, 42000, 46752, 49320, 53200,
56000, 62316, 64928, 67317, 68748, 73752]
# Median Python Developer Salaries by Age
py_dev_y = [45372, 48876, 53850, 57287, 63016,
65998, 70003, 70000, 71496, 75370, 83640]
plt.plot(ages_x,dev_y,label = 'All Devs')
plt.plot(ages_x,py_dev_y,label = 'Python')
添加plt.legend()
如果您不了解此信息,请单击链接。Plt.legend文档
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