擅长:python、mysql、java
<p>这就是try-except方法的工作原理。。。
尝试一些语句,如果它引发一些错误,则将运行except块</p>
<pre class="lang-py prettyprint-override"><code>try:
print(0/0)
except KeyError:
print('keyerror')
'''in this block you can add what will happen if the error
raised in the try block raises an KeyError'''
except:
print('some error occured')
</code></pre>