nanshe/syn/data.py: Optimize the `for`-loop by eliminating the zipping of arrays.
nanshe/syn/data.py: Optimize the `for`-loop by eliminating the zipping of arrays.

DudLab/nanshe,nanshe-org/nanshe,DudLab/nanshe,jakirkham/nanshe,nanshe-org/nanshe,jakirkham/nanshe