How do i...coding this because it failure after many attempts

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C++

int redl = 10;

int yellowl = 9;

int greenl = 8;

int red2 = 12;

int green = 11;

void setup();

'('

pinMode (redl, OUTPUT) ;

'('


pinMode(yellowl, OUTPUT) ;

'('


pinMode(greenl, OUTPUT) ;

'('


pinMode(red2, OUTPUT) ;

'('

pinMode(green2, OUTPUT) ;

}

void loop();

'voidchangeLights' int ';'

delay(1000)


void changeLights() { ;

digitalWrite(greenl, Low);

digitalWrite(yellow, HIGH);

digitalWrite(red2, HIGH);

delay(4000) ;

// turn yellow off, and oppposite green and red

digitalWrite(yellowl, LOW) ;

digitalWrite(redl, HIGH) ;

digitalWrite(red2, LOW) ;

digitalWrite(green2, HIGH) ;

delay(50000) ;

digitalWrite(green2, LOW) ;

digitalWrite(red, LOW) ;

digitalWrite(greenl, HIGH) ;

digitalWrite(red2, HIGH)

delay(5000) ;

digitalWrite(greenl, LOW) ;

digitalWrite(yellowl, HIGH) ;

digitalWrite(redl, LOW) ;

digitalWrite(red2, HIGH) ;

delay(1000) ;


'{'

What I have tried:

Having a problem in coding
Traffic light project
Pls solve