[docs] [issue29414] Change 'the for statement is such an iterator' in Tutorial

[Jim Fasarakis-Hilliard]

Jim Fasarakis-Hilliard added the comment:

Agreed. The issue I see with the additional suggestions by you and Marco (p.s the English was perfect!) is the introduction of other functions and/or objects that haven't been introduced yet. 

If you want to draw parallels with tuples, you'll need to introduce them first, right? (or would a link to the definition of tuples suffice?)

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<http://bugs.python.org/issue29414>
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