Find friendly numbers, based on a comment by dannycalifornia45 to this video http://youtu.be/fUSZBVYZdKY

friendly.py

def friendly_numbers(limit):
  n=0
	i=0
	while i<limit:
		n+=1
		friendly=[]
		for j in range(1,n):
			if n%j==0:
				friendly.append(j)
			friend=sum(friendly)
			friendlier=[]
			for k in range(1, friend):
				if friend%k==0:
					friendlier.append(k)
				friendliest=sum(friendlier)
				if n==friendliest and n!=friend:
					print n, "and", friend, "are besties!"
		i+=1

friendly_numbers(285)