Ad Astra

import re

text_string = input()

regex = r'(#|\|)([A-Za-z\s]+)\1(\d{2,2}/\d{2,2}/\d{2,2})\1(\d{,5})\1'
new_list = []
sum_call = 0
for match in re.finditer(regex, text_string):
    new_list.append([match.group(2), match.group(3), match.group(4)])
    sum_call += int(match.group(4))
days = sum_call // 2000
print(f"You have food to last you for: {days} days!")
for match in new_list:
    print(f"Item: {match[0]}, Best before: {match[1]}, Nutrition: {match[2]}")