def choice():
    print('1-create,2-update,3-read,4-delete')
    try:
        x = int(input('\nEnter your choice:'))
    except ValueError:
        print('Enter integer choice:....')
        choice()
    else:
        if (x == 1):
            create()
        elif (x == 2):
            update()
        elif (x == 3):
            read()
        else:
            delete()
def choice():
    print('1-create,2-update,3-read,4-delete')
    try:
        x = int(input('\nEnter your choice:'))
    except ValueError:
        print('Enter integer choice:....')
        choice()
    else:
        if (x == 1):
            create()
        elif (x == 2):
            update()
        elif (x == 3):
            read()
        else:
            delete()