# -*- coding: utf-8 -*-
"""
Created on Fri Jun 25 19:52:56 2021

@author: aherrera
"""

lista=["R1", "R3", "R4",
       "S1", "S2"]
print(len(lista))
print("antes de for")
for a in lista:
    print(a)
print("dentro de for")
print("fuera de for")