[Programmers] Python 콜라츠 추측

https://programmers.co.kr/learn/courses/30/lessons/12943

코딩테스트 연습 - 콜라츠 추측

 

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[전체 코드]

def solution(num):
    answer = 0
    
    while num != 1:
        answer += 1
        
        if num % 2 == 0:
            num /= 2
        else:
            num = num * 3 + 1
            
        if answer == 500:
            answer = -1
            break
    
    return answer