python操作csv
有勇气的牛排
228
Python
2023-05-18 21:05:09
1 按行读取
import csv
with open(filename, 'r', encoding="utf-8") as f:
reader = csv.reader(f)
print(type(reader))
for row in reader:
print(row)
2 写csv
import csv
with open('res.csv', 'w', newline='', encoding="utf-8") as fp:
writer = csv.writer(fp)
headers = ["序号",]
writer.writerow(headers)
writer.writerow(列表)
<h2><a id="1__0"></a>1 按行读取</h2>
<pre><div class="hljs"><code class="lang-shell">import csv
with open(filename, 'r', encoding="utf-8") as f:
reader = csv.reader(f)
print(type(reader))
for row in reader:
print(row)
</code></div></pre>
<h2><a id="2_csv_12"></a>2 写csv</h2>
<pre><div class="hljs"><code class="lang-shell">import csv
with open('res.csv', 'w', newline='', encoding="utf-8") as fp:
writer = csv.writer(fp)
headers = ["序号",]
writer.writerow(headers)
writer.writerow(列表)
</code></div></pre>
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