I am really sorry, but I am too tired to replace everything that's in Romanian to English
Most of it sounds like in English anyways


from datetime import datetime
import datetime


def creeaza_pachet(data_i, data_s, dest, pret):
    #function that creates a package
    return {
        "data_i": data_i,
        "data_s": data_s,
        "dest": dest,
        "pret": pret
    }


def get_data_i(pachet):
    # functie that returns the beginning date of the package
    return pachet["data_i"]


def get_data_s(pachet):
    # function that returns the end date of a package
    return pachet["data_s"]


def get_destinatie(pachet):
    # function that returns a destination of the package
    return pachet["dest"]


def get_pret(pachet):
    # function that returns a price of the package, float
    return pachet["pret"]


def valideaza_pachet(pachet):
    # function that validates if a package is entered correctly or not
    err = ""
    if get_data_i(pachet) > get_data_s(pachet):
        err += "wrong data!\n"
    if get_destinatie(pachet) == " ":
        err += "wrong destination!\n"
    if get_pret(pachet) <= 0:
        err += "wrong price!\n"
    if len(err) > 0:
        raise Exception(err)


def egale_pachet(p0, p1):
    return get_pret(p0) == get_pret(p1)


def adauga_pachet_in_lista(l, pachet):
    # function that adds a package in a list
    for _pachet in l:
        if egale_pachet(_pachet, pachet):
            raise Exception("package with same price introduced!\n")
    l.append(pachet)


def srv_adauga_pachet_in_lista(l, data_i, data_s, dest, pret):
    # function that creates a package and adds in a list
    pachet = creeaza_pachet(data_i, data_s, dest, pret)
    valideaza_pachet(pachet)
    adauga_pachet_in_lista(l, pachet)


def test_srv_adauga_pachet_in_lista():
    l = []
    assert (len(l) == 0)
    pachet = creeaza_pachet(datetime.strptime('24/08/2021', "%d/%m/%Y"), datetime.strptime('26/08/2021', "%d/%m/%Y"),
                            "Bruh", 9000.1)
    srv_adauga_pachet_in_lista(l, pachet)
    assert (len(l) == 0)
    pachet_g = creeaza_pachet(datetime.strptime('24/08/2021', "%d/%m/%Y"), datetime.strptime('22/08/2021', "%d/%m/%Y"),
                              " ", 9000.1)
    try:
        srv_adauga_pachet_in_lista(l, pachet_g)
    except Exception as ex:
        raise Exception("date gresite!\ndestinatie gresita!\n")


def test_adauga_pachet_in_lista():
    l = []
    assert (len(l) == 0)
    pachet = creeaza_pachet(datetime.datetime.strptime('24/08/2021', "%d/%m/%Y"),
                            datetime.datetime.strptime('26/08/2021', "%d/%m/%Y"),
                            "Bruh", 9000.1)
    adauga_pachet_in_lista(l, pachet)
    assert (len(l) == 1)
    assert (get_data_i(pachet) == get_data_i(l[0]))
    assert (get_data_s(pachet) == get_data_s(l[0]))
    assert (get_destinatie(pachet) == get_destinatie(l[0]))
    assert (abs(get_pret(pachet) - get_pret(l[0]) < 0.0001))
    alt_pachet = creeaza_pachet(datetime.datetime.strptime('24/08/2021', "%d/%m/%Y"),
                                datetime.datetime.strptime('26/08/2021', "%d/%m/%Y"), "Bruh", 9000.1)
    try:
        adauga_pachet_in_lista(l, alt_pachet)
    except Exception as ex:
        assert (str(ex) == "pachet cu acelasi pret introdus!\n")


def test_valideaza_pachet():
    pachet = creeaza_pachet(datetime.datetime.strptime('24/08/2021', "%d/%m/%Y"),
                            datetime.datetime.strptime('26/08/2021', "%d/%m/%Y"),
                            "Bruh", 9000.1)
    valideaza_pachet(pachet)
    pachet_gresit = creeaza_pachet(datetime.datetime.strptime('24/08/2021', "%d/%m/%Y"),
                                   datetime.datetime.strptime('22/08/2021', "%d/%m/%Y"), "Bruh", 9000.1)
    try:
        valideaza_pachet(pachet_gresit)
    except Exception as ex:
        assert (str(ex) == "date gresite!\n")
    alt_pachet = creeaza_pachet(datetime.datetime.strptime('24/08/2021', "%d/%m/%Y"),
                                datetime.datetime.strptime('22/08/2021', "%d/%m/%Y"), " ", -904)
    try:
        valideaza_pachet(alt_pachet)
    except Exception as ex:
        assert (str(ex) == "date gresite!\ndestinatie gresita!\npret gresit!\n")


def test_creeaza_pachet():
    data_i_string = '24/08/2021'
    data_i = datetime.datetime.strptime(data_i_string, "%d/%m/%Y")
    data_s_string = '26/08/2021'
    data_s = datetime.datetime.strptime(data_s_string, "%d/%m/%Y")
    dest = "Bruh"
    pret = 9000.1
    pachet = creeaza_pachet(data_i, data_s, dest, pret)
    assert (get_data_i(pachet) == data_i)
    assert (get_data_s(pachet) == data_s)
    assert (get_destinatie(pachet) == dest)
    assert (abs(get_pret(pachet) - pret) < 0.0001)


def run_teste():
    test_creeaza_pachet()
    test_valideaza_pachet()
    test_adauga_pachet_in_lista()


def to_str_pachet(pachet):
    return str(
        "Data de inceput: " + str(pachet["data_i"]) + "\n" + "Data de sfarsit: " + str(pachet["data_s"]) + "\n" + "Destinatia: " +
        pachet["dest"] + "\n" + "Pretul: " + str(pachet["pret"]))


def ui_adauga_pachet(l):
    try:
        data_i = input("Introduceti data de inceput in formatul dd-mm-yyyy: ")
        data_i = datetime.datetime.strptime(data_i, "%d-%m-%Y").date()
        data_s = input("Introduceti data de sfarsit in formatul dd-mm-yyyy: ")
        data_s = datetime.datetime.strptime(data_s, "%d-%m-%Y").date()
    except ValueError:
        print("date numerice invalide!")
        return
    dest = input("Introduceti destinatia aici: ")
    try:
        pret = float(input("Introduceti pretul aici: "))
    except ValueError:
        print("pret invalid!")
        return
    srv_adauga_pachet_in_lista(l, data_i, data_s, dest, pret)


def ui_print_pachet(l):
    for pachet in l:
        print(to_str_pachet(pachet))
    if len(l) == 0:
        print("Nu a fost introdus niciun pachet!")



def ui_modify_data(l):
    processing_functions = [ui_add_package, ui_print_package]
    progress = 0
    while progress < len(processing_functions):
        cmd = input("Reintroduce dates: ")
        if cmd == "//":
            progress -= 1
            print("Go back to previous input")
        else:
            print("Processing" + cmd)
            processing_functions[progress](cmd)
            progress += 1


def run():
    l = []
    while True:
        cmd = input(">>>")
        if cmd == "exit":
            return
        if cmd == " ":
            continue
        if cmd == "add_pachet":
            try:
                ui_adauga_pachet(l)
            except Exception as ex:
                print(ex)
        elif cmd == "/":
            try:
                ui_modifica_date(l)
            except ValueError:
                print("date numerice invalide!")
        elif cmd == "print_pachete":
            ui_print_pachet(l)
        else:
            print("comanda invalida!")


def main():
    run()
    run_teste()


main()