工资与工作时间双轴图（高级图表）

def solve():
    import pandas as pd
    import matplotlib.pyplot as plt
    import numpy as np
    
    url = 'https://liangdaima.com/static/data/wooldridge/wage1.csv'
    df = pd.read_csv(url)
    
    fig, ax1 = plt.subplots(figsize=(12,6))
    ax1.scatter(df['exper'], df['wage'], alpha=0.5, color='blue')
    ax1.set_xlabel('工作经验', fontsize=12)
    ax1.set_ylabel('工资', fontsize=12, color='blue')
    ax2 = ax1.twinx()
    ax2.scatter(df['tenure'], df['wage'], alpha=0.5, color='red')
    ax2.set_ylabel('任期', fontsize=12, color='red')
    plt.title('工作经验与任期对比', fontsize=14)
    fig.tight_layout()
    plt.show()
    return "可视化代码执行完成"