Set .discard(), .remove() & .pop()

Hacker
Rank
Score
174916
flag of Egypt
00.00
174916
flag of India
00.00
174916
flag of Bangladesh
00.00
174916
flag of India
00.00
174916
flag of India
00.00
174916
flag of India
00.00
174916
flag of India
00.00
174916
flag of India
00.00
174916
flag of India
00.00
174916
flag of United States
00.00
174916
flag of India
00.00
174916
flag of
00.00
174916
flag of India
00.00
174916
flag of India
00.00
174916
flag of United States
00.00
174916
flag of India
00.00
174916
flag of India
00.00
174916
flag of India
00.00
174916
flag of India
00.00
174916
flag of India
00.00
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