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=={{header|Erlang}}==

Until real code shows up, I follow the lead of Python and print tuples with a width of 1.

{{out}}

<pre>

9> io:fwrite("~1p", [{1, 2, {30, 40}, {{500, 600}, 70}}]).

{1,

2,

{30,

40},

{{500,

600},

70}}

</pre>