Lesson#1

#include <a_samp> // include samps defines & functions.

public OnFilterScriptInit() // being called when our script gets loaded!
{
    new myvar = MyFunction(2); // so now myvar var gots the value returned in MyFunction whic is 2 + 1 = 3
    printf("%d",myvar); // use %d because myvar is integer | will print: 3
    myvar = MyFunction(4); // so now myvar var gots the value returned in MyFunction whic is 4 + 1 = 5
    printf("%d",myvar); // use %d because myvar is integer | will print: 5
}

MyFunction(value) // a function we can call it whenever we want
{
    return ( value + 1 ) ; // so when this functions gets called the value which will return in it will be value + 1
}