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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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China’s stock markets are some of the largest in the world, with total market capitalization reaching RMB 79 trillion (US$12.2 trillion) in 2020. China’s stock markets are seen as a crucial tool for driving economic growth, in particular for financing the country’s rapidly growing high-tech sectors.Although traditionally closed off to overseas investors, China’s financial markets have gradually been loosening restrictions over the past couple of decades. At the same time, reforms have sought to make it easier for Chinese companies to list on onshore stock exchanges, and new programs have been launched in attempts to lure some of China’s most coveted overseas-listed companies back to the country.

Importantly, that investor viewpoint is not new. It cycles in when conditions are right (and vice versa). It also brings the ineffective warnings of an overpriced market with it.Looking toward a good 2022 stock market, there is no apparent reason to expect these issues to change.

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