#162. Two variables

when green flag clicked
set [a v] to (19)
set [b v] to (45)
set [a v] to ((a) + (b))

# When the green flag is clicked
a = 19
b = 45
a = a + b

let a = 0, b = 0;

// When the green flag is clicked
a = 19;
b = 45;
a = a + b;

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