A Theseus double agent has infiltrated the police force but the police won't give you access to their directory information. Thankfully you found the source code to their directory server. Write a client to interact with the server and find the duplicated badge number! The flag is the badge number.
The server is running on vuln2014.picoctf.com:21212.

hint:You are going to have to understand structs.
https://docs.python.org/2/library/struct.html