Set .difference() Operation

Hacker
Rank
Score
01
flag of United States
10.00
01
flag of Brazil
10.00
01
flag of United States
10.00
01
flag of Iceland
10.00
01
flag of United States
10.00
01
flag of Hungary
10.00
01
flag of Sudan
10.00
01
flag of United Kingdom
10.00
01
flag of United States
10.00
01
flag of China
10.00
01
flag of Estonia
10.00
01
flag of Turkey
10.00
01
flag of Poland
10.00
01
flag of India
10.00
01
flag of Hungary
10.00
01
flag of United States
10.00
Items per page:
Select...