yamato.py

import requests
from bs4 import BeautifulSoup

print("伝票番号を入力してください")

denpyo_id = input()

response = requests.post('http://toi.kuronekoyamato.co.jp/cgi-bin/tneko', data={'number01':denpyo_id })
soup = BeautifulSoup(response.text, "html.parser")

denpyo_list = soup.find_all('td', class_='denpyo')
hiduke_list = soup.find_all('td', class_='hiduke')
ct_list = soup.find_all('td', class_='ct')

for denpyo,hiduke,ct in zip(denpyo_list,hiduke_list,ct_list):
    if denpyo.text == "":
        continue
    print(denpyo.text+":"+hiduke.text+":"+ct.text)