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🚪 Double Portal Gateway
Deque Operations — Insert/Remove from Both Ends
🔴 FRONT
insertFront / deleteFront
🟢 REAR
insertRear / deleteRear
Deque is empty
🔴 Front Operations
+ Insert
- Delete
👀 Peek Front
🟢 Rear Operations
+ Insert
- Delete
👀 Peek Rear
📊 Deque Info
0
Size
—
Front
—
Rear
Yes
Empty?
📥 Sample Data
🗑️ Clear