绘制3D柱状图,其数据格式为,二维数组或三维数组. from numpy import * file=open('C:\\Users\\jyjh\\Desktop\\count.txt','r') arr=[] for i in file.readlines(): temp=[] for j in i.strip().split('\t'): temp.append(float(j)) arr.append(temp) import random import numpy as np impor…