'''设置最优的幂律拟合最小值'''
fit = powerlaw.Fit(list(df3['degree']),fit_method='KS') #指定x_min进行幂律拟合,如果没有提供xmin，在初始化时计算并分配最佳值
print(fit.xmin)#1.0
Values less than or equal to 0 in data. Throwing out 0 or negative values
Calculating best minimal value for power law fit
7.0n progress: 97%
"7.0n progress: 97%"是什么意思