Need help fixing python program:
I keep getting the following when I try to add students to the list:
line 72, in add_student
entry = students_lab10.Students(name, idn, gpa, grade, hours)
NameError: name 'students_lab10' is not defined
#
Create a class named Student that holds the following data about a student:
1. Name
2. Student ID number
3. GPA
4. Expected grade in this course
5. Full time or part time
Create five student objects from this class and pass data to fill in the class data above.
Besides creating the objects, you will write a menu-driven program that performs the following tasks:
1. Look up and print the student GPA
2. Add a new student to the class
3. Change the GPA of a student
4. Change the expected grade of a student
5. Print the data of all the students in a tabular format
6. Quit the program
#
Inline Code Example Here
class Students:
def __init__(self, name, idn, gpa, grade, hours):
self.__name = name
self.__idn = idn
self.__gpa = gpa
self.__grade = grade
self.__hours = hours
def set_name(self, name):
self.__name = name
def set_idn(self, idn):
self.__idn = idn
def set_gpa(self, gpa):
self.__gpa = gpa
def set_grade(self, grade):
self.__grade = grade
def set_hours(self, hours):
self.__hours = hours
def get_name(self):
return self.__name
def get_idn(self):
return self.__idn
def get_gpa(self):
return self.__gpa
def get_grade(self):
return self.__grade
def get_hours(self):
return self.__hours
def __str__(self):
return "Name: " + self.__name + \
"\nIDN: " + self.__idn + \
"\nGPA: " + self.__gpa + \
"\ngrade: " + self.__grade + \
"\nhours: " + self.__hours
Inline Code Example Here
import Students
import pickle
#Global Constants
FIND_GPA = 1
ADD_STUDENT = 2
CHANGE_GPA = 3
CHANGE_GRADE = 4
PRINT_DATA = 5
QUIT = 6
FILENAME = 'students_lab10.dat'
def main():
mystudents = load_students_lab10()
choice = 0
while choice != 6:
choice = get_menu_choice()
if choice == 1:
find_gpa(mystudents)
elif choice == 2:
add_student(mystudents)
elif choice == 3:
change_gpa(mystudents)
elif choice == 4:
change_grade(mystudents)
elif choice == 5:
print_data(mystudents)
save_students(mystudents)
def load_students_lab10():
try:
input_file = open(FILENAME, 'rb')
students_lab10_dct = pickle.load(input_file)
input_file.close()
except IOError:
students_lab10_dct = {}
return students_lab10_dct
def get_menu_choice():
print()
print("Menu")
print("------------------------------")
print("1. Look up and print a student's GPA")
print("2. Add a new student to the class")
print("3. Change the GPA of a student")
print("4. Change the expected grade of a student")
print("5. Print the data of all the students")
print("6. Quit the program")
print()
choice = int(input("Please enter your choice, 1-6: "))
while choice < 1 or choice > 6:
choice = int(input("Please enter a valid choice, 1-6: "))
return choice
def find_gpa(mystudents):
name = input("Enter a name: ")
if name in mystudents:
print(mystudents.gpa)
else:
print(mystudents.get(name, 'That name is not found.'))
print()
def add_student(mystudents):
name = input("Enter a new student's name: ")
idn = input("Please enter the student's ID number: ")
gpa = input("Please enter the student's GPA: ")
grade = input("Please enter the student's expected grade in this course: ")
hours = input("Please enter if this student is full or part-time: ")
print()
entry = students_lab10.Students(name, idn, gpa, grade, hours)
if name not in mystudents:
mystudents[name] = entry
print("The entry has been added.")
print()
else:
print("That name already exists.")
print()
def change_gpa(mystudents):
name = input("Enter a name: ")
if name in mystudents:
gpa = input("Please enter the student's new GPA: ")
entry = students_lab10.Students(name, idn, gpa, grade, hours)
mystudents[name] = entry
print("GPA updated.")
print()
else:
print("That name is not found.")
def change_grade(mystudents):
name = input("Enter a name: ")
if name in mystudents:
grade = input("Please enter the student's new grade: ")
entry = students_lab10.Students(name, idn, gpa, grade, hours)
mystudents[name] = entry
print("Grade updated.")
print()
else:
print("That name is not found.")
print()
def print_data(mystudents):
input_file = open(FILENAME, 'rb')
print(mystudents)
print()
input_file.close()
def save_students(mystudents):
output_file = open(FILENAME, 'wb')
pickle.dump(mystudents, output_file)
output_file.close()
main()
