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import numpy as np
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import kNN
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dataSet, labels = kNN.createBasicDataSet()
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dataSet
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labels
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kNN.classify0(np.array([1, 2]), dataSet, labels, 3)
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kNN.euclideanDistances(np.array([2, 2]),dataSet)
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import math
math.sqrt(1 + 0.9**2)
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b = np.array(list(range(10)))
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b
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b[0:1]
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