python中没有替换的单词梯形图

import matplotlib.pyplot as plt

# 定义数据
categories = ['Category A', 'Category B', 'Category C', 'Category D']
values = [10, 20, 30, 40]

# 计算每个梯形的坐标
x = [0] + list(range(len(categories))) + [len(categories)]
y = [0] + values + [0]

# 绘制梯形图
plt.plot(x, y, 'b-', linewidth=2)
plt.fill_between(x, y, color='blue', alpha=0.2)

# 设置图表标题和坐标轴标签
plt.title('Trapezoid Chart')
plt.xlabel('Categories')
plt.ylabel('Values')

# 设置坐标轴刻度
plt.xticks(range(len(categories)), categories)
plt.yticks(range(0, max(values)+10, 10))

# 显示图表
plt.show()