dictplay.py

def evaluate(l):
	pre_result = fine_process(l)
	for key,lis in pre_result.items():
		print key,'-------->',lis

def fine_process(l):
	s = set([i.keys()[-1] for i in l])
	newdic = {k:[] for k in s}
	for dic in l:
		temp =  {}
		for k in dic.keys():
			sub_dict = dic[k]
			for j in sub_dict.keys():
				temp[int(j[1])] = sub_dict[j]
			newdic[k].append(temp.values())
	return newdic



list1 = [
            {'sku1':{'M1':1   ,'M2':None,'M3':None,'M4':None,'M5':None}},
            {'sku1':{'M1':None,'M2':2   ,'M3':None,'M4':None,'M5':None}},
            {'sku1':{'M1':None,'M2':None,'M3':4   ,'M4':None,'M5':None}},
            {'sku1':{'M1':None,'M2':3   ,'M3':None,'M4':None,'M5':None}},
            {'sku1':{'M1':None,'M2':None,'M3':None,'M4':4   ,'M5':None}},
            {'sku2':{'M1':2   ,'M2':None,'M3':None,'M4':None,'M5':None}},
            {'sku2':{'M1':None,'M2':None,'M3':None,'M4':4   ,'M5':None}},
            {'sku2':{'M1':None,'M2':None,'M3':None,'M4':5   ,'M5':None}},
]

f = evaluate(list1)