give me scripts in python
时间: 2024-09-22 15:02:29 浏览: 19
在Python中,你可以找到各种类型的脚本示例,涵盖了许多用途,例如数据分析、Web开发、自动化任务等。下面是一些常见的Python脚本示例:
1. **Hello World** (基础打印)
```python
print("Hello, World!")
```
2. **数据处理** (使用pandas库)
```python
import pandas as pd
data = {"Name": ["Alice", "Bob"], "Age": [20, 25]}
df = pd.DataFrame(data)
print(df)
```
3. **文件操作** (读写文本文件)
```python
with open('file.txt', 'r') as file:
content = file.read()
print(content)
with open('new_file.txt', 'w') as file:
file.write("This is a new file.")
```
4. **Web scraping** (BeautifulSoup库)
```python
import requests
from bs4 import BeautifulSoup
url = "https://example.com"
response = requests.get(url)
soup = BeautifulSoup(response.text, 'html.parser')
# 解析网页内容...
```
5. **简单爬虫** (使用Scrapy框架)
```python
import scrapy
class MySpider(scrapy.Spider):
name = "myspider"
start_urls = ["http://quotes.toscrape.com/"]
def parse(self, response):
for quote in response.css('div.quote'):
yield {
'text': quote.css('span.text::text').get(),
'author': quote.css('small.author::text').get(),
}
```