pythonclass Student:def __init__(self, first, last, gpa):self.first = first # first nameself.last = last # last nameself.gpa = gpa # grade point averagedef get_gpa(self):return self.gpadef get_last(self):return self.lastdef to_string(self):return self.first + ' ' + self.last + ' (GPA: ' + str(self.gpa) + ')'class Course:def __init__(self):self.roster = [] # list of Student objectsdef drop_student(self, student):# Type your code heredef add_student(self, student):self.roster.append(student)def count_students(self):return len(self.roster)if __name__ == "__main__":course = Course()course.add_student(Student('Henry', 'Nguyen', 3.5))course.add_student(Student('Brenda', 'Stern', 2.0))course.add_student(Student('Lynda', 'Robinson', 3.2))course.add_student(Student('Sonya', 'King', 3.9))print('Course size:', course.count_students(),'students')course.drop_student('Stern')print('Course size after drop:', course.count_students(),'students') Complete the Course class by implementing the drop_student() instance method, which removes a student (by last name) from the courseroster. If the student is not found in the course roster, no student should be dropped.The file main.py contains:• The main function for testing the program.• Class Course represents a course, which contains a list of Student objects as a course roster. (Type your code in here.)Class Student represents a classroom student, which has three attributes: first name, last name, and GPA. (Hint: get_last() returns thelast name field.)Note: For testing purposes, different student values will be used.Ex. For the following students:Henry Nguyen 3.5Brenda Stern 2.0Lynda Robison 3.2Sonya King 3.9the output for dropping Stern is:Course size: 4 studentsCourse size after drop: 3 students

We have to write a Python program Complete the Course class by implementing the drop_student()…

Answered: Complete the Course class by…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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python

class Student:
def __init__(self, first, last, gpa):
self.first = first # first name
self.last = last # last name
self.gpa = gpa # grade point average

def get_gpa(self):
return self.gpa

def get_last(self):
return self.last

def to_string(self):
return self.first + ' ' + self.last + ' (GPA: ' + str(self.gpa) + ')'

class Course:
def __init__(self):
self.roster = [] # list of Student objects

def drop_student(self, student):
# Type your code here

def add_student(self, student):
self.roster.append(student)

def count_students(self):
return len(self.roster)

if __name__ == "__main__":
course = Course()

course.add_student(Student('Henry', 'Nguyen', 3.5))
course.add_student(Student('Brenda', 'Stern', 2.0))
course.add_student(Student('Lynda', 'Robinson', 3.2))
course.add_student(Student('Sonya', 'King', 3.9))

print('Course size:', course.count_students(),'students')
course.drop_student('Stern')
print('Course size after drop:', course.count_students(),'students')

Complete the Course class by implementing the drop_student() instance method, which removes a student (by last name) from the course
roster. If the student is not found in the course roster, no student should be dropped.
The file main.py contains:
• The main function for testing the program.
• Class Course represents a course, which contains a list of Student objects as a course roster. (Type your code in here.)
Class Student represents a classroom student, which has three attributes: first name, last name, and GPA. (Hint: get_last() returns the
last name field.)
Note: For testing purposes, different student values will be used.
Ex. For the following students:
Henry Nguyen 3.5
Brenda Stern 2.0
Lynda Robison 3.2
Sonya King 3.9
the output for dropping Stern is:
Course size: 4 students
Course size after drop: 3 students

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