<p>我正在将csv读入<code>a</code>:</p>
<pre><code>import csv
import collections
import pdb
import math
import urllib
def do_work():
a=get_file('c:/pythonwork/cds/cds.csv')
a=remove_chars(a)
print a[0:10]
def get_file(start_file): #opens original file, reads it to array
with open(start_file,'rb') as f:
data=list(csv.reader(f))
return (data)
def remove_chars(a):
badchars=['a','b','c','d']
for row in a:
for letter in badchars:
row[8].replace(letter,'')
return a
</code></pre>
<p>我想用空字符串替换行的第8个元素中出现的所有<code>['a','b','c','d']</code>。<code>remove_chars</code>函数不工作</p>
<p>有更好的方法吗</p>