[doc] Document the Python interface
[doc] Document the Python interface

chemfiles/chemfiles,Luthaf/Chemharp,lscalfi/chemfiles,chemfiles/chemfiles,chemfiles/chemfiles,chemfiles/chemfiles,Luthaf/Chemharp,Luthaf/Chemharp,lscalfi/chemfiles,lscalfi/chemfiles,lscalfi/chemfiles