HELP! writing to csv file repeats, but code looks good.

[TheBeast]

###If you run the code before the two "write" chuncks, then everything works out. What in the heck is going wrong when the scrape is coped to excel?!? I would be very grateful if someone who has mastered this could shed some insight.

import requests as r
from bs4 import BeautifulSoup

#Get URL
main_url = 'http://drd.ba.ttu.edu/isqs6339/imbadproducts/'
response = r.get(main_url)

#Set filepaths
filepath = 'dataout1.csv'
filepath2 = 'dataout2.csv'

#Check for good link and get headers
print(response.status_code)
print (response.headers)

soup = BeautifulSoup(response.text, 'lxml')
print(soup.prettify())

#Find all anchors on the page
search_results = soup.find('div', attrs={'id' : 'searchresults'})
product_results = search_results.find_all('a')

#Define product link, id, title, price, and description for all products
for link in product_results:
    link_url = main_url + link.get('href')
    productId = link.find('span', attrs={'class' : 'productid'}).text
    product_title = link.find('span', attrs={'class' : 'producttitle'}).text
    product_price = link.find('span', attrs={'class' : 'productprice'}).text
    product_description = link.find('span', attrs={'class' : 'productdesc'}).text
    
    #Get links for each product
    response2 = r.get(link_url)
    soup2 = BeautifulSoup(response2.text, 'lxml')
    #Find each user review for the product on the page
    user_review = soup2.find('div', attrs={'id' : 'userreviews'})
    review_results = user_review.find_all('div')
    #Find author, stars, and review info for each review of the page's product and print results
    for rev in review_results:
        print ('ProductID: ' + productId)
        print ('Product Title: ' + product_title)
        print ('Product Price: ' + product_price)
        print('Product Description: ' + product_description)
        print ('User Review: ' )
        author = rev.find('span', attrs={'class' : 'rauthor'}).text
        print('Author: ' + author)
        stars = rev.find('span', attrs={'class' : 'rstars'}).text
        print('Stars: ' + stars)
        review_of_product = rev.find('span' , attrs={'class' : 'rtext'}).text
        print('Review: ' + review_of_product)
        review_length = len(review_of_product)
        print('Length: ')
        print(review_length)
        print('------------')
        
#Import CSV
import csv
        
#Open File 1 in CSV File
with open(filepath, 'w') as dataout:
    datawriter = csv.writer(dataout, delimiter= ',', quotechar= '"', quoting = csv.QUOTE_NONNUMERIC)
    headers = ['ProductId', 'Product Title', 'Product Price', 'Author', 'Stars', 'Length of Review']
    datawriter.writerow(headers)
        
    for link in product_results:
        productId = link.find('span', attrs={'class' : 'productid'}).text
        product_title = link.find('span', attrs={'class' : 'producttitle'}).text
        product_price = link.find('span', attrs={'class' : 'productprice'}).text
        for rev in review_results:    
            author = rev.find('span', attrs={'class' : 'rauthor'}).text
            stars = rev.find('span', attrs={'class' : 'rstars'}).text
            review_of_product = rev.find('span' , attrs={'class' : 'rtext'}).text
            datawriter.writerow([productId, product_title, product_price, author, stars, len(review_of_product)])
                
#Open File 2 in CSV File
with open(filepath2, 'w') as dataout2:
    datawriter = csv.writer(dataout2, delimiter= ',', quotechar= '"', quoting = csv.QUOTE_NONNUMERIC)
    headers = ['ProductId', 'Author', 'Stars', 'Review Text']
    datawriter.writerow(headers)
         
    for link in product_results:
        productId = link.find('span', attrs={'class' : 'productid'}).text
        for rev in review_results:    
            author = rev.find('span', attrs={'class' : 'rauthor'}).text
            stars = rev.find('span', attrs={'class' : 'rstars'}).text
            review_of_product = rev.find('span' , attrs={'class' : 'rtext'}).text
            datawriter.writerow([productId, author, stars, review_of_product])

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It won't let me edit it till 10 minutes. Basically the csv file is repeating the reviews from only one product source. I need three separate review data from my specified attributes and tags. The code runs perfectly before writing it...