擅长:python、mysql、java
<p>你差不多到了</p>
<pre class="lang-py prettyprint-override"><code>d = {}
f = [ '1, deepak, 15',
'2, nayak, 10',
'3, deepak, 10',
'4, nayak, 13']
for line in f:
# by splitting on the comma and trailing space
# you can unpack those three entries into a throw-away var,
# k, and v and you only need to convert v to int
_, k, v = line.split(', ')
d[k] = d.get(k, 0) + int(v)
d
{'deepak': 25, 'nayak': 23}
</code></pre>