擅长:python、mysql、java
<p>储存在字典中,然后打印:</p>
<pre><code>lines = """foo: bar
foo: baz
a: b"""
result = {}
for line in lines.split("\n"):
(word, sentence) = line.split(":",1)
word = word.strip()
if word not in result:
result[word] = []
result[word].append(sentence.strip())
for word in result.keys():
print word + ": " + "; ".join(result[word])
</code></pre>