def test_Binarizer():
'''
test Binatizer method
:return: None
'''
X=[ [1,2,3,4,5],
[5,4,3,2,1],
[3,3,3,3,3,],
[1,1,1,1,1] ]
print("before transform:",X)
binarizer=Binarizer(threshold=2.5)
print("after transform:",binarizer.transform(X))
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