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Courses Plus Student 4,732 Pointsmake sure removeVowels accepts a string and returns a string
don't know what's wrong...
// Enter your code below
extension String {
func transform (_ argument: (String) -> String) -> String {
return argument(self)
}
func removeVowels(from value:String) -> String {
var output: String = ""
for char in value.characters {
if !(char == "a" || char == "A" || char == "e" || char == "E" || char == "I" || char == "i" || char == "o" || char == "O" || char == "u" || char == "U") {
output.append(char)
}
}
return output
}
}