>>> from mes_proper import distancia

>>> v1 = [0.1, 0.5, 0.43, 0.21]
>>> v2 = [0.53, 0.29, 0.1, 0.5]
>>> round(distancia(v1,v2),4)
0.6496

>>> v3 = [0.53, 0.72, 0.16, 0.1]
>>> v4 = [0.53, 0.72, 0.16, 0.1]
>>> distancia(v3,v4)
0.0

>>> v5 = [2]
>>> v6 = [5]
>>> distancia(v5,v6)
3.0

>>> v7 = [0.0, 0.0, 0.0, 0.0]
>>> v8 = [0.0, 0.0, 0.0, 0.0]
>>> distancia(v7,v8)
0.0