practicas

https://docs.google.com/presentation/d/12K-https://docs.google.com/presentation/d/12K-q1iwKY1l53JAGuzr_IE-cmdBlZxWJUWgnlSBJsD4/edit#slide=id.p3_IE-cmdBlZxWJUWgnlSBJsD4/edit#slide=id.p3