import matplotlib.pyplot as plt
 
# 销售额数据
sales = [1000, 1200, 1500, 1800, 2000, 2500]
 
# 年份数据
years = ['2018', '2019', '2020', '2021', '2022', '2023']
 
# 绘制柱状图
plt.bar(years, sales)
plt.title('Annual Sales')
plt.xlabel('Year')
plt.ylabel('Sales ($)')
plt.show()