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I have the below code for my application:

    #valid stock row queries
valid_stocks_rows = db.execute("SELECT symbol, SUM(shares) as sum_total FROM ledger WHERE user_id=:user_id GROUP BY symbol HAVING sum_total > 0", user_id=session["user_id"])


for row in valid_stocks_rows:
    stock_symbol = row["symbol"]
    stock_shares = row["sum_total"]
    quote = lookup(stock_symbol)
    share_price = quote["price"]

return render_template("portfolio.html", user_cash=user_cash, valid_stocks_rows=valid_stocks_rows)

And for my HTML, I also have the below code:

   <thead>
        <th>Symbol</th>
        <th>Shares</th>
        <th>Price</th>
</thead>

{% for row in valid_stocks_rows %}
  <tr>
    <td>{{ row.stock_symbol }}</td>
    <td>{{ row.stock_shares }}</td>
    <td>{{ row.share_price }}</td>
  </tr>
{% endfor %}

Why don't the variables pull over? What am I missing?

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  • Try print out the valid_stocks_rows you got from the query. You will see it is a list of dictionaries. You are not storing the output of for row in valid_stocks_rows:; so nothing is been sent to your HTML file.
    – EddyBeor
    Dec 9 '20 at 20:24
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The "loop" variables" are not being sent to the HTML.

What is the contents of valid_stocks_rows? It is the list of dicts returned from the execute. All the work done in the for loop is wasted; it sets variables to values and never does anything with them.

Perhaps add new key/value pairs to valid_stocks_rows in the for loop.

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