https://stackoverflow.com/questions/46528003/how-to-clean-up-the-data-from-this-webscraping-script
for table in tables:
rows = table.find_all("tr")
for row in rows:
cells = row.find_all("td")
if len(cells) == 7: # this filters out rows with 'Term', 'Instructor Name' etc.
for cell in cells:
print(cell.text + "\t", end="") # \t is a Tab character, and end="" prevents a newline between cells