// I want 'b' to equal 12

(

a = 7; // set 'a' to a value. BONUS! if someone notices I am using global vars (this will be a 

// problem below (in problem 3)

b = a + 5;

)

// why doesn't this work?

(

var test;

test = 10;

("The value of test is: " ++ test).postln;

test = 20; // ADD SEMI-COLON

("The new value of test is: " ++ test).postln;

)

(

var a, product, mulAdd, result, b; // add 'b'

a = 15;

b = 3;

// THIRD or FOURTH b is using the global variable above. should be declared and given a value of 3

product = a * b;

"The result of the product is: ".post;

product.postln;

"It should equal 45... if it doesn't, what do you need to do? And why wasn't it in the first place?".postln;

mulAdd = {arg initVal, mulVal, addVal;

addVal + (initVal * mulVal); // THIRD or FOURTH - missing parens

};

// FIRST! - muladd needs to be mulAdd (case sensitive)

result = mulAdd.value(10, 10, 10);

"I want my result to equal 110... it equals: ".post;

result.postln; // SECOND! POSTLN spelled wrong

// below is a logic statement... we'll learn more about these later, but for now, you should know

// that the 'test' checks to see if result does NOT equal 110... if it doesn't, it posts a 

// warning, telling you to fix your mulAdd function

(result != 110).if({

"Change the mulAdd function to give the correct result using parens!".warn;

});

)