sir,
Is there any specific location where our sample text file should be located or it can be anywhere on my computer ?
Sample file location
Hello, it must be in the same folder in which you are using this jupyter-notebook. Incase the location of your file is different you can give the path of that file so that it can read the same file that you want. In the video sir has both the file and jupyter-notebook file in the same folder.
I hope it is clear to you, incase there is any confusion pls ask, we will try our best to help you out!!
Incase it is clear to you pls provide the feedback, it is important for us so as to improve.
Thanks 
Happy Coding !!
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