binary data pack unpack examples

In [15]: f=open('bdata.bin','wb')

 

In [16]: data=struct.pack('>i5sh',50,b'email',4)

 

In [17]: f.write(data)

Out[17]: 11

 

In [18]: f.close()

 

In [19]: f=open('bdata.bin','rb')

 

In [20]: data2=f.read()

 

In [21]: data2

Out[21]: b'\x00\x00\x002email\x00\x04'

 

In [22]: orgdata=struct.unpack('>i5sh',data2)

 

In [23]: orgdata

Out[23]: (50, b'email', 4)