Keyestudio 4WD Manual page 104

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Hex file KS4031(4032) folder/Makecode
Tutorial/Makecode Code/Project
Code/Project 4：Programmable
Buttons-1
Or you could edit code step by step in the editing area.
(1) Delete"on start"and"forever"firstly，then click"Input"→"on button
A pressed"
*****************************************************************
(1) A. Click"Basic"→"show string";
B. Then place it into"on button A pressed"block, change "Hello!"into
"A".
(2) Copy code string
button " A " to select " B " and modify character " A " into
Project 4：
Programmable
Buttons-1
once, tap the drop-down
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