Concatenate an array with itself

Hacker
Rank
Score
18763
flag of Poland
00.333
18763
flag of United States
00.333
18763
flag of India
00.333
18763
flag of India
00.333
18763
flag of India
00.333
18763
flag of Israel
00.333
18763
flag of India
00.333
18763
flag of India
00.333
18763
flag of India
00.333
18763
flag of India
00.333
18763
flag of Macedonia
00.333
18763
flag of India
00.333
18763
flag of United States
00.333
18763
flag of United States
00.333
18763
flag of India
00.333
18763
flag of India
00.333
18763
flag of India
00.333
18763
flag of India
00.333
18763
flag of India
00.333
18763
flag of India
00.333
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