Assertion failed
assert((text.length == 1 || text.toLowerCase() == text) && text.length == 1)
        |    |      |       |    |             |  |
        |    |      |       |    |             |  Hello
        |    |      |       |    |             false
        |    |      |       |    hello
        |    |      |       Hello
        |    |      false
        |    5
        Hello