Concatenate an array with itself

Hacker
Rank
Score
18762
flag of India
00.333
18762
flag of United States
00.333
18762
flag of India
00.333
18762
flag of Turkey
00.333
18762
flag of India
00.333
18762
flag of Romania
00.333
18827
flag of United States
00.00
18827
flag of Italy
00.00
18827
flag of United States
00.00
18827
flag of India
00.00
18827
flag of Hong Kong
00.00
18827
flag of Poland
00.00
18827
flag of Israel
00.00
18827
flag of Bangladesh
00.00
18827
flag of Romania
00.00
18827
flag of Canada
00.00
18827
flag of Macao
00.00
18827
flag of India
00.00
18827
flag of Israel
00.00
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