Mann-Whitney U检验

def solve():
    from sklearn.datasets import load_iris
    from scipy import stats
    import numpy as np
    iris = load_iris()
    setosa = iris.data[iris.target == ____, ____]
    versicolor = iris.data[iris.target == ____, ____]
    u_stat, p_value = stats.mannwhitneyu(____)
    print(____)
    print(____)
    print(____)
    print(____)
    print(____)