how to display image from database in django code example

Example: display data from database in django

data = Students.objects.all()
stu = {
    "student_number": data
}
return render_to_response("login/profile.html", stu)

// in html file :
{% for student in student_number %}
    {{ student.f_name}}
    {{ student.l_name }}
    {{ student.student_number }}
    {{ student.dob }}
{% endfor %}