性别分布饼图（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)
    
    gender_counts = df['female'].value_counts()
    labels = ['男性', '女性']
    plt.figure(figsize=(8,8))
    plt.pie(gender_counts, labels=labels, autopct='%1.1f%%', colors=['lightblue', 'lightpink'])
    plt.title('性别分布饼图', fontsize=14)
    plt.tight_layout()
    plt.show()
    return "可视化代码执行完成"