1is_number(5)
2is_number(18923740913.12809374)
3is_number(abs(0.5))
4is_number(a[1])
5i = 0
6is_number(b[i])
7is_number("string")
8is_number(asciify("this"))
9is_number(asciify(122))
10x = asciify(121)
11is_number(x)
12a[2] = asciify(120)
13is_number(a[2])
14