pairs = [('ALBK', 'SBIN'), ('ANDHRABANK', 'INDIANB'), ('ANDHRABANK', 'SBIN'), ('AXISBANK', 'FEDERALBNK'),
('AXISBANK', 'INDIANB'), ('BANKBARODA', 'FEDERALBNK'), ('BANKINDIA', 'AXISBANK'), ('FEDERALBNK', 'AXISBANK'),
('FEDERALBNK', 'BANKBARODA'), ('FEDERALBNK', 'UNIONBANK'), ('HDFC', 'ICICIBANK'), ('ICICIBANK', 'FEDERALBNK'),
('ICICIBANK', 'HDFC'), ('ICICIBANK', 'INDIANB'), ('INDIANB', 'ANDHRABANK'), ('INDIANB', 'AXISBANK'), ('INDIANB', 'ICICIBANK'),
('SBIN', 'ALBK'), ('SBIN', 'ANDHRABANK'), ('UNIONBANK', 'FEDERALBNK')]
unique_pairs = set(tuple(sorted(p)) for p in pairs)
print(unique_pairs)
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
{('FEDERALBNK', 'ICICIBANK'), ('AXISBANK', 'INDIANB'), ('AXISBANK', 'BANKINDIA'), ('BANKBARODA', 'FEDERALBNK'), ('ANDHRABANK', 'INDIANB'), ('ALBK', 'SBIN'), ('HDFC', 'ICICIBANK'), ('ICICIBANK', 'INDIANB'), ('FEDERALBNK', 'UNIONBANK'), ('ANDHRABANK', 'SBIN'), ('AXISBANK', 'FEDERALBNK')}