用于处理彩票的大数据算法
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def dict_sort(_dict, _sort_by='key', _reverse=False):
if _sort_by == 'key':
_result = sorted(_dict.items(), key=lambda x: x[0], reverse=_reverse)
else:
_result = sorted(_dict.items(), key=lambda x: x[1], reverse=_reverse)
_result_dict = dict()
for r in _result:
_result_dict[r[0]] = r[1]
return _result_dict