pl=plt.figure(figsize=(8,6))#宽为8inch,高为6inch
plt.bar(x,y)
plt.xlabel(\'一级市场\')
plt.ylabel(\'绝对市场规模\')
#设置数字标签
for a,b in zip(x,y):
    plt.text(a,b+30000000,\'%.0f\'%b,ha=\'center\',va=\'bottom\',fontsize=8)
plt.show()