use full for begineers in their works

write the verilog code for the following specification & perform the linting checks

12秒定时控制电路: 当12秒定时时间结束时，L1指示灯熄灭，L2指示灯以每秒5次速度闪烁。-12 seconds timing control circuit: When the 12 seconds when the timer expires, the indicator goes off L1 L2 indicator flashes 5 times per second speed.