batch replace onButtonPressed(Button...

docs/lessons/counter/quiz-answers.md

@@ -24,7 +24,7 @@ We create a **variable**, `count` to keep track of the current count. The number
 
 ```
 let count_ = 0
-input.onButtonPressed("A", () => {
+input.onButtonPressed(Button.A, () => {
     count_ = count_ + 1
     basic.showNumber(count, 150)
 })
@@ -40,7 +40,7 @@ We are only pressing on button pressed once. So the number to display on the mic
 
 ```
 count_ = 0
-input.onButtonPressed("A", () => {
+input.onButtonPressed(Button.A, () => {
     count_ = count_ + 1
     basic.showNumber(count_, 100)
 })

docs/lessons/counter/quiz.md

@@ -28,7 +28,7 @@ let count = 0
 
 ```
 let count_ = 0
-input.onButtonPressed("A", () => {
+input.onButtonPressed(Button.A, () => {
     count_ = count_ + 1
     basic.showNumber(count_, 100)
 })
@@ -42,7 +42,7 @@ input.onButtonPressed("A", () => {
 
 ```
 count_ = 0
-input.onButtonPressed("A", () => {
+input.onButtonPressed(Button.A, () => {
     count_ = count_ + 1
     basic.showNumber(count_, 100)
 })

docs/lessons/guess-the-number/quiz-answers.md

@@ -13,7 +13,7 @@ Answers may vary. Generally, on button pressed run code when an input button is
 Write the line of code that creates a condition when the BBC micro:bit button A is pressed.
 
 ```
-input.onButtonPressed("A", () => {
+input.onButtonPressed(Button.A, () => {
 })
 ```