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| let penny = (nombre: "Penny", esChica: true) | |
| let amy = (nombre: "Amy", esChica: true) | |
| let bernadette = (nombre: "Bernadette", esChica: true) | |
| let sheldon = (nombre: "Shedon", esChica: false) | |
| let leonard = (nombre: "Leonard", esChica: false) | |
| let howard = (nombre: "Howard", esChica: false) | |
| let raj = (nombre: "Raj", esChica: false) | |
| let elenco = [ penny, amy, bernadette, sheldon, leonard, howard, raj ] | |
| let personajesFemeninos = elenco.filter({ $0.esChica }) | |
| print(personajesFemeninos) | |
| // [(nombre: "Penny", esChica: true), (nombre: "Amy", esChica: true), (nombre: "Bernadette", esChica: true)] | |
| let soloLosNombres = personajesFemeninos.map({ $0.nombre }) | |
| print(soloLosNombres) | |
| // ["Penny", "Amy", "Bernadette"] | |
| let sumaDeLetras = soloLosNombres.reduce(0) { $0 + $1.count } | |
| print(sumaDeLetras) | |
| // 18 |
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