jk-miso-test1.py

import sys
from itertools import zip_longest

""" 
>> int 형의 최대값 알아보기
t1 = sys.maxsize
t2 = sys.maxsize + 1 
print(f"t1: {t1}, type: {type(t1)}")
print(f"t2: {t2}, type: {type(t2)}")

>> 출력
t1: 9223372036854775807, type: <class 'int'>
t2: 9223372036854775808, type: <class 'int'>

>> 분석
위 테스트로 알 수 있듯이, 파이썬3에서는 int형의 범위를 넘아가도
type int로 취급함.

문제의 의도를 고려하여, 18자리씩 잘라서 계산함.
"""

#################################################################
#    part 1 : functions & variables  definition                 #
#################################################################
max_length = 17

def cutter(data, length):
    if len(data) > length:
        zero_p = len(data)%max_length
        data = data.zfill(len(data) +(length - zero_p))
        listed_data = [data[i:i+length] for i in range(0, len(data), length)]
        listed_data = list(map(str, listed_data))
    else:
        listed_data = [data]
    
    return listed_data

def str2int_converter(str_data):
    listed_data = list(str_data)
    listed_data.reverse()
    str2int_map = {
        "1": 1, "2": 2, "3": 3, "4": 4, "5": 5,
        "6": 6, "7": 7, "8": 8, "9": 9, "0": 0
    }
    
    int_data = 0
    n = 0
    for data in listed_data:
        int_data += str2int_map[data] * pow(10, n)
        n += 1
    
    return int_data

#################################################################
#    part 2 : data input                                        #
#################################################################
print("Please input first number:")
x = input()

print("Please input second number:")
y = input()

#################################################################
#    part 3 : calculation                                       #
#################################################################

# x와 y의 길이 맞추기
if len(x) > len(y):
    y = y.zfill(len(x))
else:
    x = x.zfill(len(y))

# x와 y를 int 최대 길이로 쪼개어 리스트로 만들기
x_list = cutter(x, max_length)
y_list = cutter(y, max_length)

# 결과 초기화
res = '' 

# 쪼갠 리스트를 자리수 별로 더하여 붙이기
for x, y in zip_longest(x_list, y_list, fillvalue = "0"):
    int_x = str2int_converter(x)
    int_y = str2int_converter(y)
    two_sum = int_x + int_y
    str_two_sum = str(two_sum)
    str_two_sum = str_two_sum.zfill(max_length)
    res = res + str_two_sum

res = res.lstrip("0")

#################################################################
#    part 4 : print out result                                  #
#################################################################
print(f"result: {res} type:{type(res)}")