Reverse a doubly linked list

Hacker
Rank
Score
9486
flag of India
80.00
9486
flag of India
80.00
9486
flag of India
80.00
9486
flag of United States
80.00
9486
flag of United States
80.00
9486
flag of United States
80.00
9486
flag of Taiwan
80.00
9486
flag of Australia
80.00
9486
flag of United States
80.00
9486
flag of United States
80.00
9486
flag of India
80.00
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