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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def account_delete(request, username, template_name=accounts_settings.ACCOUNTS_PROFILE_DETAIL_TEMPLATE, extra_context=None, **kwargs):
 """ Delete an account. """

    user = get_object_or_404(get_user_model(),
                             username__iexact=username)
    user.is_active = False
    user.save()

    return redirect(reverse('accounts_admin'))