Curious about the age of the person who supposedly wrote it in 6 minutes. If you're fresh out of school, "String.contains" may be top of mind, but the vast majo

Curious about the age of the person who supposedly wrote it in 6 minutes. If you're fresh out of school, "String.contains" may be top of mind, but the vast majority of people never write that function in practice, so it's easy to not think about.