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Doc: printf-style library/stdtype improvements (#16741)
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@ -2339,7 +2339,13 @@ String objects have one unique built-in operation: the ``%`` operator (modulo).
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This is also known as the string *formatting* or *interpolation* operator.
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Given ``format % values`` (where *format* is a string), ``%`` conversion
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specifications in *format* are replaced with zero or more elements of *values*.
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The effect is similar to using the :c:func:`sprintf` in the C language.
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The effect is similar to using the :c:func:`sprintf` function in the C language.
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For example:
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.. doctest::
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>>> print('%s has %d quote types.' % ('Python', 2))
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Python has 2 quote types.
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If *format* requires a single argument, *values* may be a single non-tuple
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object. [5]_ Otherwise, *values* must be a tuple with exactly the number of
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