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Example 17: Make a sprite draw a hectogon until the stop button is clicked.
BROADCASTING MESSAGES
Example 18: When the green flag is clicked, Sprite 1 broadcasts the message “Hello!”. When
Sprite 2 receives “Hello!”, it broadcasts the message “Hi! How are you?”.
Once the message is received by the second sprite, it will broadcast the message for first sprite.
Learning Scratch 79

