Set .difference() Operation

Hacker
Rank
Score
193468
flag of Egypt
00.00
193468
flag of Armenia
00.00
193468
flag of Turkey
00.00
193468
flag of null
00.00
193468
flag of India
00.00
193468
flag of France
00.00
193468
flag of India
00.00
193468
flag of Singapore
00.00
193468
flag of Bangladesh
00.00
193468
flag of India
00.00
193468
flag of Thailand
00.00
193468
flag of India
00.00
193468
flag of India
00.00
193468
flag of Serbia
00.00
193468
flag of Italy
00.00
193468
flag of India
00.00
193468
flag of India
00.00
193468
flag of India
00.00
193468
flag of Argentina
00.00
193468
flag of Turkey
00.00
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