Concatenate an array with itself

Hacker
Rank
Score
18764
flag of India
00.00
18764
flag of India
00.00
18764
flag of Belgium
00.00
18764
flag of United States
00.00
18764
flag of India
00.00
18764
flag of United States
00.00
18764
flag of Singapore
00.00
18764
flag of India
00.00
18764
flag of Portugal
00.00
18764
flag of India
00.00
18764
flag of India
00.00
18764
flag of India
00.00
18764
flag of India
00.00
18764
flag of India
00.00
18764
flag of India
00.00
18764
flag of India
00.00
18764
flag of India
00.00
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