การใส่คำอธิบายแบบลูกศร

# Query and filter to New Years in Long Beach
jan_pollution = pollution.query("(month  ==  1) & (year  ==  2012)")
lb_newyears = jan_pollution.query("(____  ==  ____) & (____  ==  '____')")

sns.scatterplot(x = 'CO', y = 'NO2',
                data = jan_pollution)

# Point arrow to lb_newyears & place text in lower left 
plt.annotate('Long Beach New Years',
             xy = (____, ____),
             xytext = (____, _____), 
             # Shrink the arrow to avoid occlusion
             arrowprops = {'facecolor':'gray', 'width': 3, '____': ____},
             backgroundcolor = 'white')
plt.show()