解析Python编程领域中的最佳就业趋势

import numpy as np
import pandas as pd
from sklearn.model_selection import train_test_split
from sklearn.linear_model import LinearRegression

# 读取数据集
data = pd.read_csv('data.csv')

# 数据预处理
X = data[['feature1', 'feature2', 'feature3']]
y = data['target']
X_train, X_test, y_train, y_test = train_test_split(X, y, test_size=0.2, random_state=42)

# 模型训练和预测
model = LinearRegression()
model.fit(X_train, y_train)
y_pred = model.predict(X_test)

# 模型评估
score = model.score(X_test, y_test)

import requests
from bs4 import BeautifulSoup
import pandas as pd

# 发送HTTP请求获取网页内容
response = requests.get('https://example.com')
html = response.text

# 使用BeautifulSoup解析网页
soup = BeautifulSoup(html, 'html.parser')

# 提取所需数据
data = []
for item in soup.find_all('div', class_='item'):
    title = item.find('h2').text
    price = item.find('span', class_='price').text
    data.append({'title': title, 'price': price})

# 将数据转换为DataFrame对象
df = pd.DataFrame(data)

# 数据分析和可视化
mean_price = df['price'].mean()
max_price = df['price'].max()

from flask import Flask, render_template

app = Flask(__name__)

@app.route('/')
def index():
    return render_template('index.html')

@app.route('/about')
def about():
    return render_template('about.html')

if __name__ == '__main__':
    app.run(debug=True)