문제 설명 Complete the solution so that it splits the string into pairs of two characters. If the string contains an odd number of characters then it should replace the missing second character of the final pair with an underscore ('_'). Examples: solution('abc') # should return ['ab', 'c_'] solution('abcdef') # should return ['ab', 'cd', 'ef'] 해결 방법 1. s의 문자열 수가 만약 홀수라면 뒤에 '_'를 붙인다. 2. 문자열을 두개씩 잘라서..