here sir has given id for the input as {{filed.id_for_label}}. I want to ask that there is no parameter like this in the form object.So , what will be the output of this evaluation. Please help me , ASAP.
Label 'for' and input 'id'
Hello Munish, this will assign the label_labelname to the input field it is predefined thing in the django. There are such more tags in django that are predefined and makes the work little bit easier. You can see more of such type from here https://docs.djangoproject.com/en/3.0/topics/forms/
I hope it is clear to you. In case it is clear to you pls mark it as resolve and provide the rating as well as feedback so that we can improve ourselves.
In case there is still some confusion pls let me know, I will surely try to help you out.
Thanks 
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