# ABC # DEF # GHI >>> rows = ['ABC', 'DEF', 'GHI'] >>> cols = [''.join(x) for x in zip(*rows)] >>> cols ['ADG', 'BEH', 'CFI']
# ABC # DEF # GHI >>> rows = ['ABC', 'DEF', 'GHI'] >>> cols = [''.join(x) for x in zip(*rows)] >>> cols ['ADG', 'BEH', 'CFI']