我有以下设置:
co_occurrences = defaultdict(lambda: defaultdict(int))
# Populate the dictionary...
for word, occurrence_vector in co_occurrences:
if word == "__length": continue
for file_name, occurrence_count in occurrence_vector:
co_occurrences[word][file_name] = occurrence_count / co_occurrences["__length"][file_name]
这行是:
co_occurrences[word][file_name] = occurrence_count / co_occurrences["__length"][file_name]
危险的?危险是指我只希望一次又一次地遍历每个键,因此任何修改此行为的代码都是危险的。我感觉可能是因为我正在修改要遍历的数据结构。
HUX布斯
德玛西亚99
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