Yue Wang
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Yue Wang
Sample code in Python from [SO](http://stackoverflow.com/questions/10507230/insert-line-at-middle-of-file-with-python) ``` python f = open("path_to_file", "r") contents = f.readlines() f.close() contents.insert(index, value) f = open("path_to_file", "w") contents = "".join(contents) f.write(contents) f.close() ``` tested.