python可视化---堆积直方图

import matplotlib.pyplot as plt
import numpy as np
import matplotlib as mpl

mpl.rcParams["font.sans-serif"] = ["SimHei"]
mpl.rcParams["axes.unicode_minus"] = False

scoreT1 = np.random.randint(0, 100, 100)
scoreT2 = np.random.randint(0, 100, 100)

x = [scoreT1, scoreT2]
colors = ["#8dd3c7", "#bebada"]
labels = ["班级A", "班级B"]

bins = range(0, 101, 10)

plt.hist(x, bins=bins, color=colors, histtype="bar", rwidth=10,
         stacked=True, label=labels)

plt.xlabel("测试成绩")
plt.ylabel("学生人数")

plt.title("不同班级的测试成绩的直方图")

plt.legend(loc="upper left")

plt.show()