Set .difference() Operation

Hacker
Rank
Score
194543
flag of India
00.00
194543
flag of India
00.00
194543
flag of India
00.00
194543
flag of India
00.00
194543
flag of India
00.00
194543
flag of India
00.00
194543
flag of Korea, Republic of
00.00
194543
flag of India
00.00
194543
flag of Indonesia
00.00
194543
flag of Colombia
00.00
194543
flag of United States
00.00
194543
flag of India
00.00
194543
flag of India
00.00
194543
flag of India
00.00
194543
flag of India
00.00
194543
flag of India
00.00
194543
flag of India
00.00
194543
flag of India
00.00
194543
flag of India
00.00
194543
flag of Morocco
00.00
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