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Two methods for mass profiles reconstruction in disc-like galaxies arepresented in this work, the first is done with the fit of the rotation curvebased on the data of circular velocity which are obtained observationally in astars system, while the other method is focused in the Gravitational LensedEffect (GLE). For these mass reconstructions, two routines developed in thelanguage of programming python were used: one of them is Galrotpy, which wasbuilt by members of the Galaxies, Gravitation and Cosmology group from theObservatorio Astron\'omico Nacional of the Universidad Nacional de Colombia andwhose funtionality is applied in the rotation curves, the other routine isGallenspy which was created in the development of this work and it is focusedin the GLE. It should be noted that both routines perform a parametricestimation from the Bayesian statistics, which allows obtaining theuncertainties of the estimated values. Finally is shown the great power ofcombining galactic dynamics and GLE, for this purpose the mass profiles of thegalaxies SDSSJ2141-001 and SDSSJ1331+3628 were reconstructed with Galrotpy andGallenspy where these results obtained are compared with those reported byother authors regarding these systems. Keywords: Mass reconstructions, GLE,rotational curves, mass profiles, Gallenspy, Galrotpy.

Mass reconstruction in disc like galaxies using strong lensing and rotation curves: The Gallenspy package