Concatenate an array with itself

Hacker
Rank
Score
18744
flag of India
00.00
18744
flag of India
00.00
18744
flag of United States
00.00
18744
flag of Canada
00.00
18744
flag of Mongolia
00.00
18744
flag of India
00.00
18744
flag of India
00.00
18744
flag of India
00.00
18744
flag of Russia
00.00
18744
flag of India
00.00
18744
flag of United States
00.00
18744
flag of India
00.00
18744
flag of United States
00.00
18744
flag of India
00.00
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