import matplotlib.pyplot as plt

if __name__ == "__main__":
    population_ages = [22, 55, 62, 45, 21, 22, 34, 42, 42, 4, 99, 102, 110, 120, 121, 122, 130, 111, 115, 112, 80, 75,
                       65, 54, 44, 43, 42, 48]

    bins = [0, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, 130]

    plt.hist(population_ages, bins, histtype='bar', rwidth=0.8)

    plt.xlabel('x')
    plt.ylabel('y')
    plt.title('Interesting Graph\nCheck it out')
    plt.legend()
    plt.show()