matplotlib一图画两线

import matplotlib.pyplot as plt val_f1_list=[1,2,3] train_f1_list=[2,3,4] plt.figure(figsize=[20,9]) plt.plot(val_f1_list,label="val_f1",color="#F08080") plt.plot(train_f1_list,label="train_f1",color="#0B7093") plt.legend() plt.show()