Python 绘图

plt.figure(figsize=(12, 7))
x= list(range(1,51))
plt.plot(x,train_loss_all,'b--',label='Train_loss',linewidth=3)
# plt.plot(val_loss_all,'g--',label='val_loss',linewidth=3)
# plt.plot(x, train_loss_all,'b^-', x, val_loss_all, 'g+-')
plt.plot(x, train_loss_all,'b^-')
plt.title('The change of loss ',fontsize=24)
plt.xlabel('train_number',fontsize=18)
plt.ylabel('loss',fontsize=18)
plt.legend(fontsize=14, markerscale=2., scatterpoints=1)
plt.show()