# Empty list
println([])

# List with items
println([3, 1, 4, 1, 5, 9, 2, 6, 5])

# List with items of different types
println(["", "私はかっこいいです。", true, nil, nil, 1, 2])

a := []

a = a + [1]
a = a + [2]

println(a)


list := []

x := 0
for n in 0..100 {
    x = x + 2*n + 1

    list = list + [x]
}

println(list)
println(list.map(func(a) {
    return a - 1
}))
println(list.length())
println(list.at(69))

other := []

for a in 0..=10 {
    other = other.append(a)
}

sum := other.reduce(func(tot, x) {
    return tot + x
}, 0)

println(sum)

assert(sum == a*(a-1)/2)