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@@ -38,7 +38,8 @@ def get_material_and_script(start_time=""):
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query_word_set = set(df['query_word'].values)
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recommended_word_set = set(df['recommended_word'].values)
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word_set = query_word_set.union(recommended_word_set)
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- word_set.remove('')
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+ if '' in word_set:
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+ word_set.remove('')
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query_word_time = 3
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for query_word in word_set:
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for source_code, value in source_name_map.items():
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