擅长:python、mysql、java
<pre><code>num_list = [(151258350, 2464),
(151258350, 56),
(151262958, 56),
(151258350, 56),
(151262958, 112),
(151262958, 112),
(151259627, 56),
(151262958, 112),
(151262958,56)]
num_dict = {}
for t in num_list:
if t[0] in num_dict:
num_dict[t[0]] = num_dict[t[0]]+t[1]
else:
num_dict[t[0]] = t[1]
for key,value in num_dict.items():
print "%d %d" %(key,value)
</code></pre>