Python’da `AND` va `OR` Mantiqiy Operatorlari

🟩 AND, OR operatorlari

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🔍 1. Mantiqiy operator nima?

Mantiqiy operatorlar (and, or) — bu True (rost) yoki False (yolg‘on) qiymatlar ustida ishlaydi va shartli ifodalarda ko‘p qo‘llaniladi.

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🟢 2. AND operatori — va

and operatori faqat ikkala shart ham rost bo‘lsa, True natija qaytaradi. Aks holda False.

Ifoda	Natija
True and True	True
True and False	False
False and True	False
False and False	False

🔹 Misol:

yosh = 25
if yosh > 18 and yosh < 30:
    print("Yosh mos!")

📌 Har ikki shart rost → chiqaradi: Yosh mos!

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🟠 3. OR operatori — yoki

or operatori agar hech bo‘lmaganda bitta shart rost bo‘lsa, True natija qaytaradi.

Ifoda	Natija
True or True	True
True or False	True
False or True	True
False or False	False

🔹 Misol:

ism = "Ali"
if ism == "Ali" or ism == "Vali":
    print("Tanish ism!")

📌 Kamida bitta shart rost → chiqaradi: Tanish ism!

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🧠 4. Amaliy misollar:

a = 5
b = 10

print(a > 0 and b > 0)   # True
print(a > 0 or b < 0)    # True
print(a < 0 and b > 0)   # False
print(a < 0 or b < 0)    # False

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📘 5. Xulosa

Operator	Ma’nosi	True natijasi uchun kerakli shart
and	va	Har ikki shart True bo‘lishi
or	yoki	Kamida bitta shart True bo‘lishi