Which are in
Kata extraída de codewars
Algunos ejemplos
a1 = ["arp", "live", "strong"]
a2 = ["lively", "alive", "harp", "sharp", "armstrong"]
return ["arp", "live", "strong"]
a1 = ["tarp", "mice", "bull"]
a2 = ["lively", "alive", "harp", "sharp", "armstrong"]
return []
