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<p>解决此问题的另一种方法是使用函数<a href="https://docs.scipy.org/doc/numpy-1.14.0/reference/generated/numpy.amax.html" rel="noreferrer">numpy.amax()</a></p>
<pre><code>>>> import numpy as np
>>> arr = [0, 0, 1, 0, 0, 1] , [0, 1, 0, 2, 0, 0] , [0, 0, 2, 0, 0, 1] , [0, 1, 0, 3, 0, 0] , [0, 0, 0, 0, 4, 0]
>>> np.amax(arr)
</code></pre>