再多写20个数据
时间: 2024-02-13 19:02:17 浏览: 22
好的,可以通过调用 `generate_papers()` 函数生成 20 篇随机的论文数据,并将其追加到 `papers.csv` 文件中。修改程序如下:
```python
import csv
import random
import string
import datetime
# 生成随机的论文数据
def generate_paper():
title = ''.join(random.choices(string.ascii_letters + string.digits, k=20))
authors = [''.join(random.choices(string.ascii_letters, k=5)) for i in range(3)]
abstract = ''.join(random.choices(string.ascii_letters + string.digits, k=100))
keywords = [''.join(random.choices(string.ascii_letters, k=5)) for i in range(5)]
date = datetime.date(random.randint(2000, 2021), random.randint(1, 12), random.randint(1, 28))
return [title, ', '.join(authors), abstract, ', '.join(keywords), date]
# 生成多篇论文数据
def generate_papers(num_papers):
papers = []
for i in range(num_papers):
papers.append(generate_paper())
return papers
# 写入 CSV 文件
def write_csv(filename, data):
with open(filename, 'a', newline='') as f:
writer = csv.writer(f)
for row in data:
writer.writerow(row)
# 生成并写入 CSV 文件
papers = generate_papers(20)
write_csv('papers.csv', papers)
```
这个程序会在 `papers.csv` 文件的末尾追加 20 篇随机的论文数据,并保留原有数据。运行程序后,`papers.csv` 文件应该包含 30 行数据,其中第一行为表头,后面 29 行为论文数据。