擅长:python、mysql、java
<pre><code>In [10]: fair = np.array([1, 2, 3, 4, 5, 6]*100)
...: bins = np.array([i/2 for i in range(-1, 14)])
...: plt.hist(fair, bins=bins, label='Fair Die', align='left')
...: plt.xlim([0, 7])
...: plt.show()
</code></pre>
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