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notes_estom/Python/matplotlab/gallery/userdemo/simple_legend02.md
2020-09-26 22:03:11 +08:00

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# 简单的Legend02
![简单的Legend02示例](https://matplotlib.org/_images/sphx_glr_simple_legend02_001.png)
```python
import matplotlib.pyplot as plt
fig, ax = plt.subplots()
line1, = ax.plot([1, 2, 3], label="Line 1", linestyle='--')
line2, = ax.plot([3, 2, 1], label="Line 2", linewidth=4)
# Create a legend for the first line.
first_legend = ax.legend(handles=[line1], loc='upper right')
# Add the legend manually to the current Axes.
ax.add_artist(first_legend)
# Create another legend for the second line.
ax.legend(handles=[line2], loc='lower right')
plt.show()
```
## 下载这个示例
- [下载python源码: simple_legend02.py](https://matplotlib.org/_downloads/simple_legend02.py)
- [下载Jupyter notebook: simple_legend02.ipynb](https://matplotlib.org/_downloads/simple_legend02.ipynb)