Set .difference() Operation

Hacker
Rank
Score
01
flag of India
10.00
01
flag of India
10.00
01
flag of United States
10.00
01
flag of United States
10.00
01
flag of Thailand
10.00
01
flag of India
10.00
01
flag of United States
10.00
01
flag of United States
10.00
01
flag of United States
10.00
01
flag of India
10.00
01
flag of United States
10.00
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