import Foundation
func hhmmsstominutes(_ hhmmss: String) -> Double {
let time = hhmmss.split(separator: ":").compactMap { Double($0) }
return (time[0] * 60) + time[1] + (time[2] / 60)
}
print(hhmmsstominutes("2:30:00"))
print(hhmmsstominutes("2:35:30"))
print(hhmmsstominutes("5:00:45"))
/*
run:
150.0
155.5
300.75
*/