Ben Finney <ben+python at benfinney.id.au> writes: >> 0c4f0a0d.pyc # Python 3.1 > Mapping magic numbers to versions is infeasible and will be incomplete: > Any mapping that exists in (say) Python 3.1 can't know in advance what > the magic number will be for Python 4.5. But why do the filenames have magic numbers instead of version numbers?