# Code snippet here:
for user in userList:
	for phone in (str(user[5]), str(user[6])):
		try:
			phone = ''.join([c for c in phone if c.isdigit()])
			if len(phone) == 4:		# An extension?
				print "Len = 4"
				phone = "ext %s" % phone
			elif len(phone) == 7:	# A local number?
				print "Len = 7"
				phone = '252-%s-%s' % (phone[0:3], phone[3:])
			elif len(phone) == 10:	# Area code + local?
				print "Len = 10"
				phone = '%s-%-%s' % (phone[0:3], phone[3:6], phone[6:])
			elif len(phone) == 14:	# Area code + local + extension
				print "Len = 14"
				phone = '%s-%-%s ext%s' % (phone[0:2], phone[3:5], phone[6:9], phone[10:])
		except IndexError, e:
			print "Exception: Got IndexError for %s" % phone
			print e
			sys.exit()
		except TypeError, e:
			print "Exception: Got TypeError for %s (%s)" % (phone, type(phone))
			print e
			sys.exit()
		else:
			if len(phone) > 0: print "phone = %s" % phone

# Output:
# 
# [admin@paczilla] {~/dan} ./print_users.py
# Len = 4
# phone = ext 7324
# Len = 7
# phone = 252-567-8910
# Len = 10
# Exception: Got TypeError for 2345678910 (<type 'str'>)
# not all arguments converted during string formatting
#
# Raw traceback (if exception handling is disabled:
#
# Traceback (most recent call last):
#   File "./print_users.py", line 51, in ?
#     phone = '%s-%-%s' % (phone[0:3], phone[3:6], phone[6:])
# TypeError: not all arguments converted during string formatting