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  1. L = [0, ['~', '~', '~'], 1, ['~', '~', '~'], 2, ['~', '~', '~'] ]
  2. print('\n'.join("%s %s" % (i, ' '.join(lst)) for i, lst in zip(*[iter(L)]*2)))
Success #stdin #stdout 0.02s 5852KB
stdin
Standard input is empty
stdout
0 ~ ~ ~
1 ~ ~ ~
2 ~ ~ ~