时间序列分解

def solve():
    import matplotlib
    matplotlib.use(____)
    import matplotlib.pyplot as plt
    import numpy as np
    from statsmodels.tsa.seasonal import seasonal_decompose
    np.random.seed(____)
    t = np.arange(____)
    y = np.sin(____ * np.pi * t / ____) + ____ * t + np.random.randn(____) * ____
    result = seasonal_decompose(____)
    fig = result.plot()
    plt.tight_layout()
    plt.show()
    print(len(____))