02. Report System

target = int(input())

cash = 0
cash_counter = 0
cart = 0
cart_counter = 0
counter = 0

while target > 0:
    command = input()
    if command == "End":
        print("Failed to collect required money for charity.")
        break
    product_price = int(command)
    if counter % 2 == 0 and product_price > 100 or counter % 2 == 1 and product_price < 10:
        print("Error in transaction!")
        counter += 1
        continue
    elif counter % 2 == 0:
        cash += product_price
        cash_counter += 1
    else:
        cart += product_price
        cart_counter += 1
    print("Product sold!")

    counter += 1
    target -= product_price
    if target <= 0:
        print(f"Average CS: {cash / cash_counter if cash > 0 else 0:.2f}")
        print(f"Average CC: {cart / cart_counter if cart > 0 else 0:.2f}")
        break


Решение с for:

import sys

target = int(input())

cash = 0
cash_counter = 0
cart = 0
cart_counter = 0

for i in range(sys.maxsize):
    command = input()
    if command == "End":
        print("Failed to collect required money for charity.")
        break
    product_price = int(command)
    if i % 2 == 0 and product_price > 100 or i % 2 == 1 and product_price < 10:
        print("Error in transaction!")
        continue
    elif i % 2 == 0:
        cash += product_price
        cash_counter += 1
    else:
        cart += product_price
        cart_counter += 1
    print("Product sold!")

    target -= product_price
    if target <= 0:
        print(f"Average CS: {cash / cash_counter if cash > 0 else 0:.2f}")
        print(f"Average CC: {cart / cart_counter if cart > 0 else 0:.2f}")
        break