Funksiyalar

def salomlashish():
    """Ekranga salomlashish xabarini chiqaradi."""
    print("Salom!")
    print("Xush kelibsiz.")


salomlashish()       # chaqirish
salomlashish()       # yana chaqirish

def salomlashish(ism):
    print(f"Salom, {ism}!")


salomlashish("Husanboy")
salomlashish("Sardor")

def talaba_malumoti(ism, yosh, shahar):
    print(f"{ism}, {yosh} yosh, {shahar} shahridan")


# Pozitsiya bo'yicha
talaba_malumoti("Husanboy", 25, "Namangan")

# Nom bo'yicha (tartib muhim emas)
talaba_malumoti(shahar="Toshkent", ism="Sardor", yosh=25)

def salomlashish(ism, salom="Salom"):
    print(f"{salom}, {ism}!")


salomlashish("Husanboy")
salomlashish("Sardor", "Assalomu alaykum")

def yigindi(birinchi, ikkinchi):
    return birinchi + ikkinchi


natija = yigindi(15, 27)
print(natija)
print(yigindi(100, 200) * 2)

def bolish(bolinuvchi, boluvchi):
    if boluvchi == 0:
        return "Nolga bo'lib bo'lmaydi"
    return bolinuvchi / boluvchi


print(bolish(10, 2))
print(bolish(10, 0))

def statistika(sonlar):
    """Ro'yxat bo'yicha eng kichik, eng katta va o'rtacha qiymatni qaytaradi."""
    return min(sonlar), max(sonlar), sum(sonlar) / len(sonlar)


baholar = [85, 92, 78, 95, 88]
eng_past, eng_yuqori, ortacha = statistika(baholar)

print(f"Eng past:   {eng_past}")
print(f"Eng yuqori: {eng_yuqori}")
print(f"O'rtacha:   {ortacha:.1f}")

def jami(*sonlar):
    """Istalgan miqdordagi sonlar yig'indisini qaytaradi."""
    natija = 0
    for son in sonlar:
        natija += son
    return natija


print(jami(1, 2))
print(jami(1, 2, 3, 4, 5))
print(jami())

def profil_yarat(**malumotlar):
    print("Foydalanuvchi profili:")
    for kalit, qiymat in malumotlar.items():
        print(f"  {kalit:<12}: {qiymat}")


profil_yarat(ism="Husanboy", yosh=25, shahar="Namangan", kasb="dasturchi")

def hisobot(sarlavha, *qatorlar, **sozlamalar):
    kenglik = sozlamalar.get("kenglik", 30)
    belgi = sozlamalar.get("belgi", "=")

    print(belgi * kenglik)
    print(sarlavha.center(kenglik))
    print(belgi * kenglik)
    for qator in qatorlar:
        print(f"  - {qator}")


hisobot("KUNLIK HISOBOT",
        "10 ta buyurtma qabul qilindi",
        "3 ta yetkazildi",
        kenglik=36, belgi="*")

soliq_foizi = 12                # global o'zgaruvchi


def soliqni_hisobla(summa):
    natija = summa * soliq_foizi / 100      # globalni o'qish mumkin
    return natija


print(soliqni_hisobla(1_000_000))
# print(natija)     # NameError: 'natija' is not defined

hisoblagich = 0


def ortdir():
    global hisoblagich
    hisoblagich += 1


ortdir()
ortdir()
ortdir()
print(hisoblagich)

def ortacha_baho(baholar: list[int]) -> float:
    """Baholar ro'yxatining o'rtacha qiymatini qaytaradi."""
    return sum(baholar) / len(baholar)


def toliq_ism(ism: str, familiya: str, bosh_harf: bool = True) -> str:
    natija = f"{ism} {familiya}"
    return natija.title() if bosh_harf else natija


print(ortacha_baho([85, 92, 78]))
print(toliq_ism("husanboy", "karimova"))

# Oddiy funksiya
def kvadrat(son):
    return son ** 2

# Lambda ko'rinishi
kvadrat = lambda son: son ** 2
print(kvadrat(5))

# Asosiy foydasi - boshqa funksiyaga uzatish
talabalar = [("Husanboy", 85), ("Sardor", 92), ("Malika", 78)]

# Baho bo'yicha saralash
saralangan = sorted(talabalar, key=lambda juftlik: juftlik[1], reverse=True)
print(saralangan)

# Filtrlash
alochilar = list(filter(lambda t: t[1] >= 85, talabalar))
print(alochilar)

# O'zgartirish
oshirilgan = list(map(lambda t: (t[0], t[1] + 5), talabalar))
print(oshirilgan)

def faktorial(son):
    """n! ni rekursiv usulda hisoblaydi."""
    if son <= 1:          # bazaviy holat - rekursiyani to'xtatadi
        return 1
    return son * faktorial(son - 1)


print(faktorial(5))       # 5 * 4 * 3 * 2 * 1
print(faktorial(10))

# ============================================
# Baholarni boshqarish funksiyalari
# ============================================

def ortacha_hisobla(baholar: list[int]) -> float:
    """Baholar ro'yxatining o'rtachasini qaytaradi."""
    if not baholar:
        return 0.0
    return sum(baholar) / len(baholar)


def harfli_baho(ball: float) -> str:
    """Ballni harfli bahoga aylantiradi."""
    if ball >= 90:
        return "A"
    if ball >= 80:
        return "B"
    if ball >= 70:
        return "C"
    if ball >= 60:
        return "D"
    return "F"


def hisobot_chiqar(guruh: dict) -> None:
    """Guruh bo'yicha to'liq hisobotni chiqaradi."""
    print("=" * 52)
    print(f"{'GURUH HISOBOTI':^52}")
    print("=" * 52)
    print(f"{'Talaba':<25}{'O‘rtacha':>12}{'Baho':>8}{'Holat':>10}")
    print("-" * 52)

    barcha_ortachalar = []

    for ism, baholar in guruh.items():
        ortacha = ortacha_hisobla(baholar)
        harf = harfli_baho(ortacha)
        holat = "o'tdi" if ortacha >= 60 else "o'tmadi"
        barcha_ortachalar.append(ortacha)
        print(f"{ism:<25}{ortacha:>12.1f}{harf:>8}{holat:>10}")

    print("-" * 52)
    print(f"{'Guruh o‘rtachasi:':<25}{ortacha_hisobla(barcha_ortachalar):>12.1f}")
    print("=" * 52)


guruh = {
    "Husanboy Qodirov": [85, 92, 78],
    "Sardor Aliyev":    [70, 65, 80],
    "Malika Yusupova":  [95, 91, 98],
    "Bekzod Rasulov":   [55, 48, 62],
}

hisobot_chiqar(guruh)