Python program to create a binary file with name and roll number. Search for a given roll number and display the name, if not found display appropriate message by G Krishna Chauhan

Source Code

 

 import pickle

def  Writerecord(sroll,sname):

    with open ('StudentRecord1.dat','ab') as Myfile:

        srecord={"SROLL":sroll,"SNAME":sname}        

        pickle.dump(srecord,Myfile)

       

def Readrecord():

    with open ('StudentRecord1.dat','rb') as Myfile:

        print("\n-------DISPALY STUDENTS DETAILS--------")

        print("\nRoll No.",' ','Name','\t',end='')

        print()

        while True:

           try:

               rec=pickle.load(Myfile)

               print(' ',rec['SROLL'],'\t  ' ,rec['SNAME'])

           except EOFError:

                break

def Input():

    n=int(input("How many records you want to create :"))

    for ctr in range(n):

        sroll=int(input("Enter Roll No: "))

        sname=input("Enter Name: ")

        Writerecord(sroll,sname)

        

def SearchRecord(roll):

    with open ('StudentRecord1.dat','rb') as Myfile:

       while True:

          try:

               rec=pickle.load(Myfile)

               if rec['SROLL']==roll:

                   print("Roll NO:",rec['SROLL'])

                   print("Name:",rec['SNAME'])

                   break

          except EOFError:

               print("Record not find..............")

               print("Try Again..............")

               break

def main():

   

    while True:

        print('\nYour Choices are: ')

        print('1.Insert Records')

        print('2.Dispaly Records') 

        print('3.Search Records (By Roll No)')

        print('0.Exit (Enter 0 to exit)')

        ch=int(input('Enter Your Choice: '))

        if ch==1:

            Input()

        elif ch==2:

            Readrecord()

        elif ch==3:

            r=int(input("Enter a Rollno to be Search: "))

            SearchRecord(r)

        else:

            break

main()

OUTPUT

Your Choices are: 

1.Insert Records

2.Dispaly Records

3.Search Records (By Roll No)

0.Exit (Enter 0 to exit)

Enter Your Choice: 1

How many records you want to create :1

Enter Roll No: 01

Enter Name: abc

Your Choices are: 

1.Insert Records

2.Dispaly Records

3.Search Records (By Roll No)

0.Exit (Enter 0 to exit)

Enter Your Choice: 2

-------DISPALY STUDENTS DETAILS--------

Roll No.   Name

  1    abc

Your Choices are: 

1.Insert Records

2.Dispaly Records

3.Search Records (By Roll No)

0.Exit (Enter 0 to exit)

Enter Your Choice: 3

Enter a Rollno to be Search: 01

Roll NO: 1

Name: abc