Auto Edit File Names

Learned:

• file operation (import os)
  
• time.ctime(os.path.getmtime(filename)) #change machine time to a formatted time.
  
• regex in Python (import re)
  
• re.match(pattern , string) # pattern comes first!
• pattern above should follow "r".
  
• sort algorithm
• pad with zeros?
• "%03i.jpg" - 3-number long with padding with zeros.