在python中绘制x轴上单个列的多列计数

import matplotlib.pyplot as plt

# 定义x轴上的类别
categories = ['A', 'B', 'C', 'D', 'E']

# 定义每个类别的计数
count1 = [10, 15, 7, 12, 9]
count2 = [8, 11, 9, 6, 13]
count3 = [12, 9, 11, 8, 10]

# 设置柱状图的宽度
bar_width = 0.2

# 计算每个柱状图的x轴位置
x1 = range(len(categories))
x2 = [x + bar_width for x in x1]
x3 = [x + bar_width for x in x2]

# 绘制柱状图
plt.bar(x1, count1, width=bar_width, label='Count 1')
plt.bar(x2, count2, width=bar_width, label='Count 2')
plt.bar(x3, count3, width=bar_width, label='Count 3')

# 设置x轴标签和标题
plt.xlabel('Categories')
plt.ylabel('Count')
plt.title('Multiple Counts on x-axis')

# 设置x轴刻度标签
plt.xticks([x + bar_width for x in range(len(categories))], categories)

# 添加图例
plt.legend()

# 显示图表
plt.show()