# coding: utf-8
# procedural version

student1 = dict(name='pierre', birth_date=None)
student2 = dict(name='paul', birth_date=None)
student3 = dict(name='jacques', birth_date=None)


classrooms_registry = dict(pierre='4eme3', paul='4eme2', jacques='4eme5')
students = [student1, student2, student3]

def move_students():
    for student in students:
        classroom = classrooms_registry[student['name']]
        student['classroom'] = classroom

    for student in students:
        print "The student: {} is assigned to the class {}".format(student['name'], student['classroom'])



if __name__ == "__main__":
    move_students()