擅长:python、mysql、java
<pre><code>current_time1 = datetime.datetime.now()
time.sleep(50)
current_time2 = datetime.datetime.now()
print (current_time2 - current_time1)
</code></pre>
<p>或者</p>
<pre><code>time1 = time.time()
time.sleep(50)
time2 = time.time()
print("%s seconds"%(time2-time1))
</code></pre>