1. What s the result of the following code:

   matches = re.search('(\d{3})-(\d{3})-(\d{4})', '718-867-5309')

   print matches.group(1)

   		718
   		5309
   		867
   		('718', '867', '5309')

2. What is the result of running the following code:

   matches = re.search('(\d{3})-(\d{3})-(\d{4})', '718-867-5309')

   print matches.groups()

   		5309
   		867
   		('718', '867', '5309')
   		718