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课堂讲解笔记 #%% # 导入一些包 import numpy as np import pandas as pd import matplotlib as mpl import matplotlib.pyplot as plt %matplotlib inline from sklearn.datasets import make_blobs #%% # 模拟出一些数据集出来 #r = np.random.randint(1,100) r = 4 #print(r) k = 3 x , y = mak.