擅长:python、mysql、java
<p>必须向writer方法提供一个file对象,如下所示:</p>
<pre><code>import csv
with open(r"C:\pyscripts\1.csv") as in_file, open(r"C:\pyscripts\1.csv", 'w') as out_file:
semicolonin = csv.reader(in_file, delimiter=';')
commaout = csv.writer(out_file, delimiter=',')
for row in semicolonin:
commaout.writerow(row)
</code></pre>