擅长:python、mysql、java
<p>您可以使用<a href="https://docs.python.org/2/library/functions.html#enumerate" rel="nofollow">enumerate</a>:</p>
<pre><code>import csv
with open("commonwords.tsv") as f:
for line in f:
line = line.replace("\t", "\n")
for ind, word in enumerate(line.split(), 1):
print "{0} {1}".format(ind, word)
1 tree
2 car
3 house
4 blanket
</code></pre>
<p>不确定是希望计数重置每行还是继续到末尾:</p>
^{pr2}$
<p>也可以直接拆分而不替换:</p>
<pre><code>with open("commonwords.tsv") as f:
lines = f.read().split()
for ind, word in enumerate(lines, 1):
print "{0} {1}".format(ind, word)
</code></pre>