擅长:python、mysql、java
<p>又是一个例子</p>
<pre><code>with open('contacts', 'r') as file:
for read_file in file.read().split("\n\n"): #data chunks apart
data = read_file.split("\n") #split email/name
name = data[0].split(" ")[1] #split at space and grab second
email = data[1].split(" ")[1] #^
if name not in d:
d[name] = {email:1}
else:
d[name][email] += 1
</code></pre>