Professionalprogram.py

isCreated =  False
while True : 
    print("---------------------Wellcome to Student System-----------------")
    print("1-Insert Record.")
    print("2-View Record.")
    print("3-Delete Record.")
    print("4-Update Record.")
    print("5-Exit")
    choice = int(input("Enter Choice : "))
    if choice == 1 :
        name = input("Enter name : ")
        id = int(input("Enter ID : "))
        Gpa = float(input("Enter Gpa : "))
        isCreated = True 
    if choice == 2 :
        if isCreated == True :
            Id = input(print("Enter id of student whose data you want to view : "))
            if Id == id  :
                print("Name of student : ",name)
                print("id of student : ",id)
                print("Gpa of student is : ",Gpa)
            elif Id != id :
                print("Invalid id")
        if isCreated == False :
            print("No data enetred.")
    if choice == 3 :
        if isCreated == True : 
            Id = input(print("Enter id of student whose data you want to view : "))
            if Id == id  :
                isCreated == False
                print("Record Deleted successfully.")
        elif isCreated == False :
            print("No data enetred.")
    if choice == 4 : 
        if isCreated == True :
            Id = input(print("Enter id of student whose data you want to view : "))
            if Id == id  :
                print("Name of student : ",name)
                print("id of student : ",id)
                print("Gpa of student is : ",Gpa)
                print("-----------------------------")
                print("Now Enter New Data .")
                isCreated == False 
                name = input("Enter name : ")
                id = int(input("Enter ID : "))
                Gpa = float(input("Enter Gpa : "))
                isCreated = True
        if isCreated == False :
            print("No data enetred.")
    if choice == 5 :
        print("exiting------------")
        exit(0)