tekeisan-ekusutoriim.py

import socket

host:str  = 'tekeisan-ekusutoriim.chall.beginners.seccon.jp'
port:int    = 8690

client = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

client.connect((host, port))

for i in range(0,101):
  response = client.recv(4096).decode('utf-8')
  print(response, end='')
  if i == 100:
    break

  response_split            = response.split('\n')
  response_split_len:int    = len(response_split)
  formula:str               = response_split[response_split_len - 1]

  formula_split = formula.split(' ')
  n1:int        = int(formula_split[0])
  operator:str  = formula_split[1]
  n2:int        = int(formula_split[2])
  if operator == '+':
    ans = n1 + n2
  elif operator == '-':
    ans = n1 - n2
  else :
    ans = n1 * n2

  client.sendall((str(ans) + '\n').encode('utf-8'))
  print(ans)

client.close()