total_bill值(即吸烟者条形图在上面)
bar2 = sns.barplot(x='day', y='total_bill', bottom=non_smoker_df['total_bill'...total_bill值(即吸烟者条形图在上面)
bar2 = sns.barplot(x='day', y='percent', bottom=non_smoker_df['percent'], data...= [0,1,2,3,4]
# bar名称、宽度
names = ['A','B','C','D','E']
barWidth = 1
# 底部bar
plt.bar(r, bars1, color...='#557f2d', edgecolor='white', width=barWidth, label="g2")
# 顶部bar
plt.bar(r, bars3, bottom=bars, color...(r, orangeBars, bottom=greenBars, color='#f9bc86', edgecolor='white', width=barWidth, label="g2")
# 顶部