1.2 Display Binary Numbers (using a variable)

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This is just one of many possible solutions:

whenclickedsetnumber of dotsto1saynumberofdotsfor1secssetnumber of dotsto2saynumberofdotsfor1secssetnumber of dotsto4saynumberofdotsfor1secssetnumber of dotsto8saynumberofdotsfor1secssetnumber of dotsto16saynumberofdotsfor1secs

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Extra Challenge

Display the numbers from largest to smallest (display numbers 16, 8, 4, 2 and 1).