Como desenhar linha de limite no gráfico de barra Python
# for horizontal line
plt.axhline(y=threshold,linewidth=1, color='k')
# for vertical line
plt.axvline(x=threshold,linewidth=1, color='k')
# Another example - You can also define xmin and xmax
plt.axhline(y=5, xmin=0.5, xmax=3.5)
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