[프로그래머스] 주차 요금 계산

from math import ceil

def solution(fees, records):
    basic_time = fees[0]
    basic_fee = fees[1]
    additinoal_time = fees[2]
    additional_fee = fees[3]
    
    car_dict = {}
    
    for record in records:
        time, car, in_out = record.split()
        
        if car in car_dict:
            car_dict[car].append(time)
        
        else:
            car_dict[car] = [time]
    
    car_fee_dict = {}
    
    for car in car_dict.keys():
        for i in range(0, len(car_dict[car]), 2):
            if i == len(car_dict[car])-1:
                in_hour, in_minute = car_dict[car][i].split(':')
                total_minute = 23 * 60 + 59 - int(in_hour) * 60 - int(in_minute)
            
                    
            else:
                in_hour, in_minute = car_dict[car][i].split(':')
                out_hour, out_minute = car_dict[car][i+1].split(':')

                total_minute = int(out_hour) * 60 + int(out_minute) - int(in_hour) * 60 - int(in_minute)

 
            if car in car_fee_dict:
                    car_fee_dict[car] += total_minute
        
            else:
                    car_fee_dict[car] = total_minute 

        if car_fee_dict[car] <= basic_time:
            car_fee_dict[car] = basic_fee
        
        else:
            car_fee_dict[car] = basic_fee + ceil((car_fee_dict[car]-basic_time)/additinoal_time)*additional_fee
         
    sorted_keys  = sorted(car_fee_dict.keys())
    answer = [car_fee_dict[key] for key in sorted_keys]

    return answer

풀기는 풀었는데.. 이게 맞나 싶다 너무 길어서 ㅠ 

그래서 지금 다른 사람 코드 보고있다..