Class 12th CBSE

Create a binary file with name and roll number of student and display the data by reading the file.

Solution: –

import pickle
def writedata( ):
 list =[ ]
 while True:
 roll = input("Enter student Roll No:")
 sname = input("Enter student Name :")
 student = {"roll":roll,"name":sname}
 list.append(student)
 choice= input("Want to add more record(y/n) :")
 if(choice=='n'):
 break
 file = open("student.dat","wb")
 pickle.dump(list,file)
 file.close( )
def readdata( ):
 file = open("student.dat", "rb")
 list = pickle.load(file)
 print(list)
 file.close( )
print("Press-1 to write data and Press-2 to read data")
choice=int(input( ))
if choice==1:
 writedata( )
elif choice==2:
 readdata( )
else:
 print("You entered invalid value")