#!/usr/bin/python
import re
regex = r"(\d+):((?:\d+[-,]|\d+$)+)"
line = "8:20-24,30,31,32,10:21-24,30,31,32,15:11,12,13-14,16-18"
regex2 = r"\d+-\d+|\d+"
 
d={}
 
matchObj = re.finditer(regex,line, re.MULTILINE)
 
for matchNum, match in enumerate(matchObj):
	#print (match.group(2))
	match2 = re.finditer(regex2,match.group(2))
	for matchNum1, m in enumerate(match2):
		key=int(match.group(1))
		if '-' in m.group():
			y = m.group().split('-')
			for i in xrange(int(y[0]),int(y[1])+1):
				if key in d:
					d[key].append(i)
				else:
					d[key] = [i,]
		else:
				if key in d:
					d[key].append(int(m.group()))
				else:
					d[key] = [int(m.group()),]			
print(d)	
 

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