#131. Swapping

when green flag clicked
set [a v] to (7)
set [b v] to (19)
set [c v] to (a)
set [a v] to (b)
set [b v] to (c)

# When the green flag is clicked
a = 7
b = 19
c = a
a = b
b = c

let a = 0, b = 0, c = 0;

// When the green flag is clicked
a = 7;
b = 19;
c = a;
a = b;
b = c;

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