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    Let us take a look at some of the blocks from Block toolbar:

                           Scene  : It is used to modify the background of the game simulator. Some of the commonly
                      used blocks of this section are:
                         Screen width: It stores the value of the width of the screen.
                         Background image: It stores an image for the background.
                         Set Background Color: It is used to set the background colour.

                         Set Background Image: It is used to set an image as background.
                          Loops  : It is used to repeat a set of block multiple times.
                         Repeat: It is used to repeat the execution of a set of block multiple times.

                          Logic  : It is used to add conditional blocks to the program.
                         If-else: It is used to make decisions based on a condition. If the condition is true, then the if block
                        is executed otherwise else block will be executed.

                          Variables  : It is used to create variables.

                           Math  : It contains blocks to perform mathematical operations.
                      BUILDING A MUSIC PLAYER

                      Step  1   Open Makecode, click on New Project. Write the name of project building a music
                                player and click on Create.
                      Step  2   Click on Loops and select repeat block, drag it to the workspace and drop the repeat
                                block to on start block.

                      Step  3   Change the value of 4 to 10 in the repeat block.
                      Step  4   In Music, select Play sound until done, it will appear on the workspace and then drag
                                and drop the Play sound until done, block in the repeat block.

                      Step  5    When you click on the Start the simulator button, you will hear the music 10 times. The
                                loop repeats itself 10 times. The flow starts with 1 and with each iteration, it increments
                                the value by 1. Each time loop completes once iteration and you will hear music once.

                      134   Premium Edition-VII                                                                                                                                                              Techipedia (Microsoft MakeCode Arcade)  PB

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