#661. Replace

when green flag clicked
delete all of [numbers v]
add [2] to [numbers v]
add [4] to [numbers v]
add [1] to [numbers v]
add [9] to [numbers v]
replace item (2) of [numbers v] with (39)
say (item (4) of [numbers v])

numbers = []

# When the green flag is clicked
numbers.clear()
numbers.append(2)
numbers.append(4)
numbers.append(1)
numbers.append(9)
numbers[1] = 39
print(numbers[3])

const numbers = [];

// When the green flag is clicked
numbers.length = 0;
numbers.push(2);
numbers.push(4);
numbers.push(1);
numbers.push(9);
numbers[1] = 39;
console.log(numbers[3]);

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