Set .difference() Operation

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

[deleted]

01
flag of null
10.00
01
flag of India
10.00
01
flag of Russian Federation
10.00
01
flag of Mexico
10.00
Items per page:
Select...