Reverse a doubly linked list

Hacker
Rank
Score
01
flag of United States
100.00
01
flag of Canada
100.00
01
flag of United Kingdom
100.00
01
flag of India
100.00
01
flag of Czech Republic
100.00
01
flag of Israel
100.00
01
flag of Japan
100.00
01
flag of Poland
100.00
01
flag of Netherlands
100.00
01
flag of India
100.00
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