2 parents 10ca7c0 + f2d0193 commit 52e18daCopy full SHA for 52e18da
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source/c02/p15_interpolating_variables_in_strings.rst
@@ -61,7 +61,7 @@ Python并没有对在字符串中简单替换变量值提供直接的支持。
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.. code-block:: python
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- class SafeSub(dict):
+ class safesub(dict):
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"""防止key找不到"""
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def __missing__(self, key):
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return '{' + key + '}'
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