We have to solve this matrix using the Echelon form Applying R2→ R2 –4R1 and R3→ R3 –7R1, we get: [1230−3−60−6−12] Now, we apply R3→ R3 –2R2, we get: [1230−3−6000] As one of the row is all 0, so, it is in Echelon form and so now we have ...
Note that some author names are not registered with Amazon, so you need to apply extra find for those authors. In the below cell code, you would find nested if-else conditions for author names, which are to extract the author/publication names. no_pages = 2 def get_data(pageNo): heade...