置换检验

def solve():
    import numpy as np
    np.random.seed(____)
    g1 = np.array(____)
    g2 = np.array(____)
    observed_diff = g1.mean() - g2.mean()
    combined = np.concatenate(____)
    n1 = len(____)
    count = ____
    for _ in range(____):
        np.random.shuffle(____)
        perm_diff = combined[:n1].mean() - combined[n1:].mean()
        if abs(____) >= abs(____):
            count += ____
    p_value = count / ____
    print(____)