Unfortunately, Matplotlib does not make this easy: via the standard legend interface, it is only possible to create a single legend for the entire plot. If you ... ... <看更多>

Add a label= to each of your plot() calls, and then call legend(loc='upper left') . Consider this sample (tested with Python 3.8.0): ... <看更多>

Plot legends give meaning to a visualization, assigning meaning to the various plot elements. We previously saw how to create a simple legend; ... ... <看更多>

where lines are generated with Axes.plot . Matplotlib version. Linux 16.04. Matplotlib 2.0.2 with Agg backend, from source. Python 2.7.13. ... <看更多>