
https://programmers.co.kr/learn/courses/30/lessons/12912
간단한 구현문제이다.
def solution(a, b):
    if a==b:
        return a
    
    if a>=b:
        max_value=a
        min_value=b
    else:
        max_value=b
        min_value=a
    
    result=0
    for i in range(min_value,max_value+1):
        result+=i
    
    return result