···1414# combinations('ABCD', 2) AB AC AD BC BD CD
1515# combinations_with_replacement('ABCD', 2) AA AB AC AD BB BC BD CC CD DD
16161717+total = 0
1818+result = []
1919+1720for i, line in enumerate(fileinput.input()):
1821 line = line.strip()
19222023 # data = [x for x in line.split(', ')]
2124 # data = [x for x in line]
2225 # data = [int(x) for x in line.split()]
2323- # data = parse_line(line, r'')
2626+ data = parse_line(line, r'')
2727+2828+ if i == 0:
2929+ print(data)