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Python dasturlash maktabi
⭕️ 2-bo'lim “Operatorlar” ————————————— Ⓜ️Operatorlar guruhlari? ----------------------------- Pythonda operatorlar quyidagi guruhga bo'linadi. Arifmetik operatorlar Tayinlash operatorlari Taqqoslash operatorlari Mantiqiy operatorlar Identifikatsiya operatorlari…
Ⓜ️ A'zolik operatorlari
A'zolik operatorlari ob'ektda ketma-ketlik mavjudligini tekshirish uchun ishlatiladi:

satr =  'salom dunyo 22'
list = ['salom dunyo', 'hello world', 22, '33']

in Ob'ektda belgilangan ketma-ketlikda o'zgaruvchini topsa rost (True) qaytaradi, boshqa holatda yolg'on (False) qaytaradi.

print('salom' in satr) True
print('salom' in list) False
print('salom dunyo' in list) True
print(22 in satr) Error
print(33 in list) False

not in Ob'ektda belgilangan ketma-ketlikda o'zgaruvchini topmasa rost (True) qaytaradi, boshqa holatda yolg'on (False) qaytaradi.

print('hello' not in satr) True
print('salom' not in list) True
print('salom dunyo' not in list) False
print(22 not in list) False

@pythonuz



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Ⓜ️ A'zolik operatorlari
A'zolik operatorlari ob'ektda ketma-ketlik mavjudligini tekshirish uchun ishlatiladi:

satr =  'salom dunyo 22'
list = ['salom dunyo', 'hello world', 22, '33']

in Ob'ektda belgilangan ketma-ketlikda o'zgaruvchini topsa rost (True) qaytaradi, boshqa holatda yolg'on (False) qaytaradi.

print('salom' in satr) True
print('salom' in list) False
print('salom dunyo' in list) True
print(22 in satr) Error
print(33 in list) False

not in Ob'ektda belgilangan ketma-ketlikda o'zgaruvchini topmasa rost (True) qaytaradi, boshqa holatda yolg'on (False) qaytaradi.

print('hello' not in satr) True
print('salom' not in list) True
print('salom dunyo' not in list) False
print(22 not in list) False

@pythonuz

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Secret Chats are one of the service’s additional security features; it allows messages to be sent with client-to-client encryption. This setup means that, unlike regular messages, these secret messages can only be accessed from the device’s that initiated and accepted the chat. Additionally, Telegram notes that secret chats leave no trace on the company’s services and offer a self-destruct timer.

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