user_math.ai

print("loaded math.ai");
pub const PI = 3.14;
pub fn add(x: int, y: int) -> int {  // Available as math.add
    return x + y;
}

pub fn sub(x: int, y: int) -> int {  // Available as math.add
    return x - y;
}

print(add(1,2));
print(PI);

pub class A {
    fn test() {
        print("test from A");
    }
}
print("end of math.ai");


let global_variable = "abc";

if len(global_variable) > 1 {
   let local_variable = "xyz";
   print("I can access global variable:", global_variable);
}

// local variable is inaccessible outer of local scope,
// this print statement would 
// print(local_variable);

const PI = 3.14;

print(PI); // print 3.14
PI = 3.1415; //