【python最小二乘法计算拟合多项式预测更新】肺炎确诊武汉全国趋势对比图（最新截至2020-2-7）

    #!E:\Python\Python37-32\python #-*-coding:utf-8-*- import numpy as np  import matplotlib.dates as mdates import pylab as plt import datetime as dt plt.mpl.rcParams['font.sans-serif'] = ['SimHei'] 

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