My Swift solution :
func pattern(number: Double) -> String { guard number > 1 else { return " " } let numbers = (1...Int(number.rounded())).reduce(into: []) { $0.append($1) } return numbers.reduce(into: "") { $0.append("\(String.init(repeating: "\($1)", count: $1))\n") } }
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My Swift solution :
swift