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Make example about hiding None return values at the prompt clearer.

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Georg Brandl 2007-10-30 17:57:12 +00:00
parent f4ef23f8c1
commit 706132bbae
1 changed files with 2 additions and 1 deletions
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Doc/tutorial/controlflow.rst
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@ -235,8 +235,9 @@ like in C, procedures are just functions that don't return a value. In fact,
technically speaking, procedures do return a value, albeit a rather boring one.
This value is called ``None`` (it's a built-in name). Writing the value
``None`` is normally suppressed by the interpreter if it would be the only value
written. You can see it if you really want to::
written. You can see it if you really want to using :keyword:`print`::
>>> fib(0)
>>> print fib(0)
None