programmers: 부족한 금액 계산하기

https://school.programmers.co.kr/learn/courses/30/lessons/82612

프로그래머스

---

단순 구현문제

def solution(price, money, count):
    answer = 0
    for i in range(1,count+1):
        answer+=price*i
    if answer > money:
        answer = answer - money
    else:
        answer = 0
    return answer