import struct
import os

DATA_FORMAT = 'i10sf'

f = open("data.bin", 'rb');

raw_data = f.read(struct.calcsize(DATA_FORMAT));

unpacked_data = struct.unpack(DATA_FORMAT, raw_data);

id   = unpacked_data[0];
name = unpacked_data[1];
age  = unpacked_data[2];

name = name.decode('utf-8').strip('\x00')

print(f"id:   {id}");
print(f"name: {name}");
print(f"age:  {age:}");