Concatenate an array with itself

Hacker
Rank
Score
18821
flag of Hungary
00.00
18821
flag of India
00.00
18821
flag of India
00.00
18821
flag of Malaysia
00.00
18821
flag of United States
00.00
18821
flag of Russian Federation
00.00
18821
flag of Australia
00.00
18821
flag of Egypt
00.00
18821
flag of India
00.00
18821
flag of India
00.00
18821
flag of Turkey
00.00
18821
flag of Colombia
00.00
18821
flag of India
00.00
18821
flag of India
00.00
18821
flag of India
00.00
18821
flag of India
00.00
18821
flag of India
00.00
18821
flag of India
00.00
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