• + 0 comments

    import sys import re p = re.compile(r'(?<=\w)([\$#\%\s]+)(?=\w)') dem = sys.stdin.readline().split(); r = int(dem[0]) c = int(dem[1]) rows = [l for l in sys.stdin] text = ""; for i in range(c): for j in range(r): text = text+rows[j][i] print(p.sub(' ',text))