There are multiple text boxes in flask jinja2. Can you match the name of the text box to the array?

There are multiple text boxes in

flask jinja2. Can you match the name of the text box to the array?

I have defined an array in python that I want to use to name multiple text boxes, but prompt The browser (or proxy) sent a request that this server could not understand.

related codes

html:
< form method= "post" action = "/ FlaskTutorial" >

{% for i in dict %}
        <tr>

            <td>{{ i[0] }}</td>
            <td>{{ i[3] }}</td>
            <td>{{ i[1] }}</td>
            <td>{{ i[4] }}</td>
            <td>{{ i[2] }}</td>
            <td><input type="text" name={{ subs[loop.index0] }} placeholder=""></td>

            <br></br>
        </tr>
{% endfor %}
<br></br>
<input type="submit" value="" name="OK"/>

< / form >

python:
@ app.route ("/ login")
def index ():

return render_template("login.html",dict=dict,subs=subs)

@ app.route ("/ FlaskTutorial",methods= ["POST"])
def success ():

if request.method=="POST":
    value=request.form["subs"]
    return render_template("success.html",value=value)
else:
     pass
    

what result do you expect? What is the error message actually seen?

Mar.29,2021
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