Revert "practica5 definitiva"

This reverts commit 5424f3420d3eab2fe548a279b8b42dac6e00cff4.
Revert "Revert "practica5 definitiva""

This reverts commit 76632191e47c8616bf1e4bf5d40cabf47961ea7e.
Revert "Revert "Revert "practica5 definitiva"""

This reverts commit f5336e7b005c942dca015fbf8f497fd19469eb03.
Revert "Revert "Revert "Revert "practica5 definitiva""""

This reverts commit 453bf49f6bf781275156a632e059c31337f993ee.