lb_sims A python package for LiteBIRD map-based simulations, component seperation, lensing reconstruction, delensing and Likelihood analysis. Developers LiteBIRD simulation team, component seperation team, Lensing analysis team, and MaPLes Dependencies https://github.com/toshiyan/cmblensplus https://github.com/litebird/LiteBIRD-lensing