工资排序折线图（Matplotlib基础）

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)
    
    sorted_wage = df['wage'].sort_values().reset_index(drop=True)
    plt.figure(figsize=(12,5))
    plt.plot(sorted_wage, color='green', linewidth=1, alpha=0.7)
    plt.title('工资排序折线图', fontsize=14)
    plt.xlabel('排序位置', fontsize=12)
    plt.ylabel('工资', fontsize=12)
    plt.grid(alpha=0.3)
    plt.tight_layout()
    plt.show()
    return "可视化代码执行完成"