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Excel表格数据如下：# -*- coding:utf-8 -*-import numpy as npfrom matplotlib import pyplot as pltimport xlrdimport xlwtyfilename = '统计当月流量剩余占比的平均值.xlsx'book_wind=xlrd.open_workbook(filename=filename)wind_sheet1=book_wind.sheets()[0] # 读取第1行标题title=wi