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.

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.

program for write read and search data in binary file in python

#writing data in Binary file

import pickle

f=open("ram.dat","wb")

a=[]

while True:

    roll=int(input("Enter the Student Roll Number"))

    name=input("Enter the Student name")

    marks=int(input("Enter the Student marks"))

    b=[roll,name,marks]

    a.append(b)

    bottun=int(input("Press =1 For Continue and Press = 2 for Stop Program"))

    if bottun==2:

        break

pickle.dump(a,f)

f.close()

#Reading Data in Binary File

import pickle

f=open("ram.dat","rb")

data=pickle.load(f)

for i in data:

    print(i)

f.close()

#Searching Data in Binary File

import pickle

f=open("ram.dat","rb")

flag=0

roll=int(input("Enter the Student Roll Number"))

data=pickle.load(f)

for i in data:

    if i[0]==roll:

        print(i)

        flag=1

        break

    if flag==0:

        print("Data not fund........")  

f.close()

Output:

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