Coding error. Can't open directory

[buran]

/home/pi/Downloads/words.txt is Linux/Mac path
C:\Users\hp\Desktop\words.txt is Windows

1. Using raw string to handle back-slash correctly

with open(r"C:\Users\hp\Desktop\words.txt", "rt") as f:

or

escaping the back-slash

with open("C:\\Users\\hp\\Desktop\\words.txt", "rt") as f:

or
using forward slash

with open("C:/Users/hp/Desktop/words.txt", "rt") as f:

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And this was already covered in your first thread on the forum

https://python-forum.io/thread-39705.html