Matplotlib绘制三维柱状图
import numpy as npimport matplotlib.pyplot as pltfrom mpl_toolkits.mplot3d.axes3d import Axes3D # 3D引擎month = np.arange(1,5)# 每个⽉ 4周 每周都会产⽣数据# 三个维度：⽉、周、销量fig = plt.figure(figsize=(9,6))ax3 = Axes3D(fig)for m in month: ax3.bar(np.arange(4),
