Making a flat list out of list of lists in python?
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Answer / Navneet Kumar Verma
In Python, you can use the `extend()` method or the `+` operator to concatenate multiple lists and flatten them into a single list. Here is an example using the extend() method:nn``pythonnflat_list = []nsub_lists = [[1, 2, 3], [4, 5, 6], [7, 8, 9]]nfor sub_list in sub_lists:n flat_list.extend(sub_list)nprint(flat_list)``
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