Added Python files to .gitignore.
Added Python files to .gitignore.

Change-Id: I78ade959221b02d8b12a7f0d1511a4ae0fd56e01
Reviewed-on: https://robertou.com/gerrit/33
Tested-by: Jenkins CI
Reviewed-by: Robert Ou <6265f2953535a346b7ba7418c552b02d288905ed@pioneers.berkeley.edu>

tobinsarah/tenshi,jessicakam/tenshi,SamboyKirk/tenshi,pioneers/tenshi,abhishyantkhare/tenshi,jarzofjam/tenshi,jarzofjam/tenshi,pioneers/tenshi,cduck/tenshi,zentner-kyle/tenshi-old,cduck/tenshi,jarzofjam/tenshi,jarzofjam/tenshi,jarzofjam/tenshi,tobinsarah/tenshi,zentner-kyle/tenshi-old,jessicakam/tenshi,hozhu123/tenshi,jessicakam/tenshi,abhishyantkhare/tenshi,SamboyKirk/tenshi,SamboyKirk/tenshi,pioneers/tenshi,tobinsarah/tenshi,chuen0630/tenshi,tobinsarah/tenshi,chuen0630/tenshi,JaronArmiger/tenshi,pioneers/tenshi,abhishyantkhare/tenshi,pioneers/tenshi,chuen0630/tenshi,SamboyKirk/tenshi,cduck/tenshi,JaronArmiger/tenshi,tobinsarah/tenshi,jarzofjam/tenshi,chuen0630/tenshi,zentner-kyle/tenshi-old,hozhu123/tenshi,abhishyantkhare/tenshi,JaronArmiger/tenshi,cduck/tenshi,hozhu123/tenshi,hozhu123/tenshi,abhishyantkhare/tenshi,hozhu123/tenshi,JaronArmiger/tenshi,SamboyKirk/tenshi,JaronArmiger/tenshi,chuen0630/tenshi,cduck/tenshi,zentner-kyle/tenshi-old,pioneers/tenshi,abhishyantkhare/tenshi,jarzofjam/tenshi,cduck/tenshi,tobinsarah/tenshi,SamboyKirk/tenshi,zentner-kyle/tenshi-old,hozhu123/tenshi,jessicakam/tenshi,tobinsarah/tenshi,hozhu123/tenshi,JaronArmiger/tenshi,chuen0630/tenshi,jessicakam/tenshi,abhishyantkhare/tenshi,jessicakam/tenshi,chuen0630/tenshi,SamboyKirk/tenshi,JaronArmiger/tenshi,cduck/tenshi,zentner-kyle/tenshi-old,jessicakam/tenshi,pioneers/tenshi