Binary file

import pickle
class ultra:
    def __init__(self,No,Na,K):
        self.AgentNo=No
        self.AgentName=Na
        self.KCode=K

def Create():
    Gamma=open("TOPSECRET.dat","wb")
    print("enter information about top secret agents")
    print("to exit, enter code") #terminator is "code"
    Num=input("Enter Agent number:")
    while Num!="code":
        Name=input("Enter Agent name:")
        Code=input("Enter agent kill code:")
        x=ultra(Num,Name,Code)
        pickle.dump(x,Gamma)
        Num=input("Enter Agent number:")
        x=ultra("","","")
    Gamma.close()
Create()

def Expose():
    Gamma=open("TOPSECRET.dat","rb")
    while True:
        try:
            x=pickle.load(Gamma)
            print(x.AgentName)
        except EOFError:
            break
    Gamma.close()