packCount.py

#!/usr/bin/python 
# -*- coding: UTF-8 -*-

packageCounts='600,500,300,100'.split(',')
packageSum=0
temp=[]
subPackageCounts=[]

for i in range(len(packageCounts)):
	currentCount=int(packageCounts[i])
	print currentCount
	if(packageSum+currentCount<1000):
		packageSum+=currentCount
		temp.append(currentCount)
	else:
		subPackageCounts.append(temp);
		temp=[]
		temp.append(currentCount)
		packageSum=currentCount
	
if(len(temp)>0):
	subPackageCounts.append(temp)
	temp=[]
	packageSum=0
		
print subPackageCounts

for i in range(len(subPackageCounts)):
	countList=subPackageCounts[i]
	result=''
	count=0
	for j in range(len(countList)):
		result+=str(countList[j])+' '
		count+=countList[j]
	print 'write to file: '+result+', sum: '+str(count)