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

Collections.deque()

  • oleksii_zinchen1
     + 0 comments
    from collections import deque

lst = deque([])

for _ in range(int(input())):
    eval('lst.{0}({1})'.format(*input().split() + ['']))
    
print(*lst)``