from preliz import BetaScaled, style
style.use('preliz-doc')
alphas = [2, 2]
betas = [2, 5]
lowers = [-0.5, -1]
uppers = [1.5, 2]
for alpha, beta, lower, upper in zip(alphas, betas, lowers, uppers):
    BetaScaled(alpha, beta, lower, upper).plot_pdf()