2to3-2.7 - Python2 to Python3 converter
2to3 [options] file|dir ...
show this help message and exit
Fix up doctests only
Each FIX specifies a transformation; default: all
Run 2to3 concurrently
Prevent a transformation from being run
List available transformations
Modify the grammar so that print() is a function
More verbose logging
Don't show diffs of the refactoring
Write back modified files
Don't write backups for modified files