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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

BY Python dasturlash maktabi


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The lead from Wall Street offers little clarity as the major averages opened lower on Friday and then bounced back and forth across the unchanged line, finally finishing mixed and little changed.The Dow added 33.18 points or 0.10 percent to finish at 34,798.00, while the NASDAQ eased 4.54 points or 0.03 percent to close at 15,047.70 and the S&P 500 rose 6.50 points or 0.15 percent to end at 4,455.48. For the week, the Dow rose 0.6 percent, the NASDAQ added 0.1 percent and the S&P gained 0.5 percent.The lackluster performance on Wall Street came on uncertainty about the outlook for the markets following recent volatility.

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