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  1. Prepare
  2. Python
  3. Collections
  4. Collections.deque()
  5. Discussions

Collections.deque()

  • jonmcclung
     + 35 comments

    6 lines:

    from collections import deque
d = deque()
for _ in range(int(input())):
    inp = input().split()
    getattr(d, inp[0])(*[inp[1]] if len(inp) > 1 else [])
print(*[item for item in d])