tabela_1 = (
    (1, "Jakies dane", "testest"),
    (2, "Jakies dane 2", "testest"),
    (3, "Jakies dane 3", "testest"),
    (4, "Jakies dane 4", "testest")
)

tabela_laczaca = (
    (1, 2, 3),
    (2, 2, 2),
    (3, 3, 1),
    (4, 1, 1)
)

tabela_2 = (
    (1, "Nowe dane", "testest"),
    (2, "Nowe dane 2", "dasdas"),
    (3, "Nowe dane 3", "teasdasdstest"),
    (4, "Nowe dane 4", "dasd")
)


for row in tabela_1:
    id = row[0]
    opisy = []

    for elem in tabela_laczaca:
        tabela_1_id = elem[1]
        tabela_2_id = elem[2]

        if id == tabela_1_id:
            for wiersz in tabela_2:
                id_2 = wiersz[0]

                if tabela_2_id == id_2:
                    opisy.append(wiersz[1])

    print(row[1] + ", ", "; ".join(opisy))