रंग भरने की जगह बैंड की मोटाई का इस्तेमाल

# Decrase interval thickness as interval widens
sizes =      [    ____,  ____,  ____]
int_widths = ['90% CI', '95%', '99%']
z_scores =   [    1.67,  1.96,  2.58]

for percent, Z, size in zip(int_widths, z_scores, sizes):
    plt.hlines(y = rocket_model.pollutant, 
               xmin = rocket_model['est'] - Z*rocket_model['std_err'],
               xmax = rocket_model['est'] + Z*rocket_model['std_err'],
               label = percent, 
               # Resize lines and color them gray
               linewidth = ____, 
               color = '____') 
    
# Add point estimate
plt.plot('est', 'pollutant', 'wo', data = rocket_model, label = 'Point Estimate')
plt.legend(loc = 'center left', bbox_to_anchor = (1, 0.5))
plt.show()