def dict2flatlist(d,l,num):
print(d,num)
for x in d.keys():
if num > 24:
exit()
if type(d[x]) == dict:
dict2flatlist(d[x],l,num+1)
else:
l.append(d[x])
num=1
d = {1:{1:{1:{1:{1:{1:{1:{1:{1:{1:{1:{1:{1:{1:{1:{1:{1:{1:{1:{1:{1:2}}}}}, 3:{4:{5:{5:{5:{5:{4:{3:{6:{6:{3:0}}}}}}}}}}}}}}}}}}}}}}}}}}
l = []
dict2flatlist(d,l,num)