特征工程基础

def solve():
    import pandas as pd
    df = pd.read_csv(____)
    sibsp_col = [c for c in df.columns if '____' in c.lower()][____] if any('____' in c.lower() for c in df.columns) else None
    parch_col = [c for c in df.columns if '____' in c.lower()][____] if any('____' in c.lower() for c in df.columns) else None
    if sibsp_col and parch_col:
        df['____'] = df[sibsp_col] + df[parch_col] + ____
        print(int(____))
    else:
        print(____)