Created
November 28, 2017 02:57
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| def lower_df(df): | |
| pattern = re.compile('\W+') | |
| for field in ['name', 'category_name', 'brand_name', 'item_description']: | |
| _str = list(map( | |
| lambda x: re.sub(pattern, ' ', x), | |
| df[field].str.lower() | |
| )) | |
| df[field] = _str |
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