本章例子，将从豆瓣网站上抓取北美电影排行榜，并放进DataFrame中。抓取网页数据 豆瓣网站上的北美电影排行榜网址，北美电影排行榜在右下边栏。import requestsfrom bs4 import BeautifulSouppage = requests.get("https://movie.douban.com/chart")soup = BeautifulSoup(page.content, 'html.parser')titles_tags = s...
``` # Python script for scraping data from social media platforms import requests def scrape_social_media_data(url): response = requests.get(url) # Your code here to extract relevant data from the response ``` 说明: 此Python脚本执行网页抓取以从社交媒体平台提取数据。它获取所提供URL的内容,然...
vulnerability = vulnerabilities.get(port,"No known vulnerabilities associated with common services") table.add_row([port, vulnerability]) print(table) defscan_top_ports(target): open_ports = [] top_ports = [21,22,23,25,53,80,110,143,443,330...
import pandas as pd def get_sales_data(): return pd.DataFrame({ 'date': pd.date_range('2023-01-01', periods=30), 'amount': np.random.randint(1000,5000,30) }) 3.2 数据转换规范 建议采用统一的数据格式: { "xAxis": ["周一","周二",...], "series": [ {"name":"销售额","data...
pandas自身就有内置的方法,用于简化从DataFrame和Series绘制图形。另一个库seaborn(https://seaborn.pydata.org/),由Michael Waskom创建的静态图形库。Seaborn简化了许多常见可视类型的创建。 提示:引入seaborn会修改matplotlib默认的颜色方案和绘图类型,以提高可读性和美观度。即使你不使用seaborn API,你可能也会引入...
```# Python script to read and write data to an Excel spreadsheetimport pandas as pddef read_excel(file_path):df = pd.read_excel(file_path)return dfdef write_to_excel(data, file_path):df = pd.DataFrame(data)df.to_excel...
10. 3. Seaborn进阶:统计图形之美 Seaborn基于Matplotlib之上,提供了更高级的接口用于绘制统计图形。 安装Seaborn: pip install seaborn 1. 绘制箱形图: import seaborn as sns import matplotlib.pyplot as plt # 假设data是一个Pandas DataFrame sns.boxplot(x='category', y='value', data=data) ...
python pandas dataframe读取超大数据集 前言 最近在搞一个根因分析相关的项目,内部用到一个原因模拟器,自动生成各种问题可能导致的告警现象, 算是大数据的边缘,一提到大数据,数据量就大了, 项目大概需要模拟3000+个根源节点,连边关系大概16000+,然后随机游走生成1600k条可能的告警现象。 准备用这1600k的告警数据进行...
Here are just a few of the things that pandas does well:- Easy handling of missing data in floating point as well as non-floatingpoint data.- Size mutability: columns can be inserted and deleted from DataFrame andhigher dimensional objects- Automatic and explicit data alignment: objects can ...
["numFound"]29returnsize3031defget_university_info(size, page_size=20):32page_cnt = int(size/page_size)ifsize%page_size==0elseint(size/page_size)+133print('一共{0}页数据,即将开始爬取...'.format(page_cnt))34session2 = HTMLSession()#创建HTML会话对象35df_result =pd.DataFrame()36for...