Raspberry Pi Pico Dual Button Dual LED Independent (GP12-13 + GP4-5)

2 buttons, 2 LEDs — fully independent! 🔴🟢 Each button controls its own LED: BTN1 lights red LED, BTN2 lights green LED. Press both simultaneously → both LEDs on (parallel). Learn **multi-Pin object management**, **ternary operator** (`1 if x else 0`), **independent I/O control**, **GPIO map** (GP12/13 output, GP4/5 input). Foundation for multi-button/multi-LED projects.