Practical No. 7: WAP in Python to create a binary file with name and roll number of the students. Search for a given roll number and display the name of student.

 

'''

Practical No: 7: WAP in Python to create a binary file with name and roll number

of the students. Search for a given roll number and display the name of student.

'''

import pickle

S={}

f=open('stud.dat','wb')

c='y'

while c=='y' or c=='Y':

    rno=int(input("Enter the roll no. of the student : "))

    name=input("Enter the name of the student: ")

    S['RollNo']=rno

    S['Name']=name

    pickle.dump(S,f)

    c=input("Do You Want to add more students(y/n): ")

f.close()

f=open('stud.dat','rb')

rno=int(input("Enter the roll no. of the student to be search: "))

K={}

m=0

try:

    while True:

        K=pickle.load(f)

        if K["RollNo"] == rno:

            print(K)

            m=m+1

except EOFError:

    f.close()

if m==0:

      print("Student not Found")