fixing up readmes for 1st two steps per feedback

step2-01/README.md

@@ -142,21 +142,21 @@ Please complete all exercises inside the `exercise/src` folder unless otherwise
 
 3. Inside the file from (step 2), write a function called `fib(n)` that takes in a number and returns a the n-th Fibonacci number - be sure the specify the type of n
 
-> HINT: fib(n) = fib(n - 1) + fib(n - 2); fib(n <= 1) = n;
+> HINT: function fib(n: number) { return n <= 1 ? n : fib(n - 1) + fib(n - 2); }
 
 4. Export `fib(n)` as a **named export**
 
 5. Export another const variable as a **default export**
 
-6. Import both the modules created in steps (4) and (5) and use the provided `log()` function to log it onto the page.
+6. Inside `index.ts` Import both the modules created in steps (4) and (5) and use the built-in `console.log()` function to log the result of `fib(FibConst)`.
 
 ## Types, Interfaces, and Classes
 
-Create inside `index.ts`:
+Inside `index.ts`:
 
-1. a type alias for string union type describing the states of Red-Green-Yellow traffic light: `type TrafficLight = ???`
+1. Add a type alias for string union type describing the states of Red-Green-Yellow traffic light: `type TrafficLight = ???`
 
-2. describe a type of car with an interface: `interface Car { ... }`
+2. Describe a type of car with an interface: `interface Car { ... }` complete with `wheels`, `color`, `make`, `model`
 
 ## Generic
 
@@ -164,7 +164,7 @@ Inside `stack.ts`, create a generic class for a `Stack<T>` complete with a typed
 
 > Hint: the JavaScript array already has `push()` and `pop()` implemented for you. That can be your backing store.
 
-Be sure to use the provided `log()` to show the functionality of `Stack<T>`
+Be sure to use the built-in `console.log()` to show the functionality of `Stack<T>`
 
 ## Spread and Destructure
 

step2-01/exercise/src/fibonacci.ts

@@ -0,0 +1,5 @@
+// TODO: create a named export of a function called fib(n)
+// export function fib(n: number) ...
+
+// TODO: create a default export of a constant of a number
+// export default ...

step2-01/exercise/src/index.ts

@@ -1,3 +1,6 @@
+// TODO: import the fib(n) function and the constant from './fibonacci.ts'
+// import {fib}, FibConst from ...
+
 // Some setup code for exercises
 const obj1 = {
   first: 'who',