from datetime import datetime

str = "2023.10.08"
format = "%Y.%m.%d"

dt = datetime.strptime(str, format)
print(dt)
# => 2023-10-08 00:00:00

from string import ascii_lowercase
from string import ascii_uppercase

# 소문자 알파뱃 리스트
# => ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k …

def solution(cards1, cards2, goal):
    answer = ''

    for target in goal:
        if len(cards1) > 0 and target == cards1[0]:
            cards1.pop(0)
        elif …

$ pip install pip-autoremove

$ pip-autoremove {library_name} -y

pip install Django==<version>

python -m django --version

django-admin startproject config .

-- development
python manage.py runserver 8000

-- production
python manage.py runserver 0 …

search_str = 'X'
two_dim_arr = [['O', 'O', 'O'], ['O', 'O', 'X'], ['O', 'O', 'O']]

answer=[(i, j) for i in range(len(two_dim_arr)) for j in range(len(two_dim_arr[0])) if two_dim_arr[i][j] == search_str][0]
print(answer)
# -> (1, 2)

search_str = 'X'
two_dim_arr = [['O', 'O', 'O …

one_dim_arr = ["abc", "def", "ghi"]
two_dim_arr = []

for p in one_dim_arr:
    two_dim_arr.append(list(p))

print(two_dim_arr)
# -> [['a', 'b', 'c'], ['d', 'e', 'f'], ['g', 'h', 'i']]

one_dim_arr = ["abc", "def", "ghi"]
two_dim_arr = [list(row) for row in one_dim_arr]

print(two_dim_arr)
# -> [['a', 'b', 'c'], ['d', 'e', 'f'], ['g …