<p>我有许多行数据(我不能手动修改),它们被表示为字典中的键/值对。问题是有一个字典键可以多次出现(对于未定义的数字:可能是两次、三次、10次,等等),具有不同的值。在</p>
<p>我需要提取所有这些值。在</p>
<p>这是一个简单的记录,键<code>Key-Word</code>有两个值:</p>
<blockquote>
<p>{"Date": "Fri, 19 Apr 2019 00:54:46 GMT", "Vary":
"Host,Accept-Encoding", "Key-Word": "00a", "Cache-Control": "private",
"Key-Word": "xn"}</p>
</blockquote>
<p>我编写了这个python脚本来提取记录的值。在</p>
<pre><code>import ast
import re
import json
inFile = open("sample.txt","r",errors="replace")
cP=0 # key found flag
cV=0 # hold the key's value
try:
myDict = {"Date": "Fri, 19 Apr 2019 00:54:46 GMT", "Vary": "Host,Accept-Encoding", "Key-Word": "00a", "Cache-Control": "private", "Key-Word": "xn"}
smallmyDict= {}
except (ValueError, SyntaxError) as E:
cV="error"
except Exception as E:
cV="error"
# convert the header's key to small letter
for key, value in myDict.items():
smallmyDict[key.lower()] = value
# store all keys
smallmyDictKeys =smallmyDict.keys()
# search for a specific key
if 'key-word' in smallmyDictKeys:
cP=1
cV = smallmyDict['key-word']
print("Found!")
print(cV) #print the key's value
else:
print("NOT Found!")
</code></pre>
<p>我得到的输出是:</p>
<blockquote>
<p>Found! xn</p>
</blockquote>
<p>问题是它只打印最后一个键的值。在</p>
<p>如果我要查找的键多次出现,如何使代码迭代该键并分别打印每个值,而不是用最后一个值覆盖它?在</p>