擅长:python、mysql、java
<p>在创建数组之前,在读取数字时转换它们:</p>
<pre><code>infile = open('europenewMatrix.txt','r')
infile.readline() # skip the first line
numbers = []
for line in infile:
numbers.append([int(val) for val in line.split(',')[2:]])
infile.close()
travelMat = array(numbers)
</code></pre>