擅长:python、mysql、java
<p>Numpy可能是你的朋友:</p>
<pre><code>import numpy as np
# load array from csv
arr = np.loadtxt('data.csv', dtype=float, delimiter=';', skiprows=0)
n = -1
# get n-th row by fany indexing
row = arr[n,:]
print row
print np.sum(row)
m = 2
# get m-th col by fancy indexing
col = arr[:,m]
print col
print np.sum(col)
</code></pre>
<p>这几乎是不言自明的。更多信息:<a href="http://docs.scipy.org/doc/numpy-1.10.0/reference/generated/numpy.loadtxt.html" rel="nofollow">read the docs</a></p>