#define Water_Level_A 5;
#define Water_Level_B 6;

boolean Water_Level_Check_A(){
boolean Result = digitalRead(Water_Level_A);
return Result;
}
boolean Water_Level_Check_B(){
boolean Result = digitalRead(Water_Level_B);
return Result;
}

void setup() {
    Serial.begin(9600);
    pinMode(Water_Level_A,INPUT);
    pinMode(Water_Level_B,INPUT);
    }

void loop() {
if (Water_Level_Check_A() == LOW){
--> Water Pump A
}
if Water_Level_Check_B() == LOW{
--> Water Pump B
}

void loop() {
if (Water_Level_Check_(A) == LOW){
--> Water Pump A
}
if Water_Level_Check_(B) == LOW{
--> Water Pump B
}