def plot_fourier(n_terms):
    #### STUDENT COMPLETED CELL ####
    # Add your function here
    y = fourier_sum(x,n_terms)
    plt.plot(x,y)
    plt.xlabel("X")
    plt.ylabel("Fourier Sum")
    plt.title("Summation of Fourier Series for N terms")
    plt.grid()
    plt.show()

    ################################