擅长:python、mysql、java
<h3>设置</h3>
<pre><code>dictData = {'2010': ['1', '2'],
'2011': ['4', '3'],
'2012': ['0', '45'],
'2013': ['8', '7'],
'2014': ['9', '0'],
'2015': ['22', '1'],
'2016': ['3', '4'],
'2017': ['0', '5'],
'2018': ['7', '8'],
'2019': ['0', '9'],
}
print 'sum of 1st items = %d' % sum([float(v[0]) for v in dictData.values()])
print 'sum of 2nd items = %d' % sum([float(v[1]) for v in dictData.values()])
print 'count of zeros = %d' % sum([(float(v[0]) == 0) for v in dictData.values()])
sum of 1st items = 54
sum of 2nd items = 84
count of zeros = 3
</code></pre>