擅长:python、mysql、java
<p><a href="https://docs.python.org/3/library/time.html#time.perf_counter" rel="nofollow noreferrer">^{<cd1>}, available since Python 3.3</a>,允许访问高分辨率挂钟。你知道吗</p>
<pre><code>t0 = time.perf_counter()
time.sleep(.1)
print(time.perf_counter() - t0)
</code></pre>