擅长:python、mysql、java
<pre><code> cust_dict = { 'key1' : value1,
'key2' : value2,
}
if request.POST.get('return_method') == 'get'):
cust_dict['key3'] = value3
elif request.POST.get('return_method') == 'post):
cust_dict['key3'] = another_value
</code></pre>
<p>如果<code>key3</code>未添加到<code>cust_dict</code>中,则<code>return_method</code>的值既不是<code>get</code>也不是{<cd5>}</p>