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Logger: grouping news in threads in ../../sampledata_ru/ directory
Logger: FIRST WE HAVE TO PREPROCESS DATA - REPEATING TASK 1 ON THE GIVEN DATASET...
Logger: filtering English & Russian texts in ../../sampledata_ru/ directory

 7801 

exec time:  20.78636884689331
number of texts: 7801
count in dataset: 0
count in dataset: 7626
Logger: GROUPING NEWS INTO THREADS - TASK 4