Set .difference() Operation

Hacker
Rank
Score
01
flag of Czechia
10.00
01
flag of United States
10.00
01
flag of India
10.00
01
flag of Switzerland
10.00
01
flag of United States
10.00
01
flag of United States
10.00
01
flag of Russia
10.00
01
flag of Russia
10.00
01
flag of France
10.00
01
flag of Italy
10.00
01
flag of India
10.00
01
flag of United States
10.00
01
flag of India
10.00
01
flag of United Kingdom
10.00
01
flag of Honduras
10.00
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