Comments (6)
all_users是不是已经存在的变量?不是赋值。
2015-08-24 22:13 GMT+08:00 wanghaisheng [email protected]:
问
在109-113.md中大量出现了如下的情况,是笔误还是有意为之,望解答all_users
['python', 'http://', 'qiwsir', 'github', 'io', 'algorithm']为什么不是
all_users =
['python', 'http://', 'qiwsir', 'github', 'io', 'algorithm']—
Reply to this email directly or view it on GitHub
https://github.com/qiwsir/StarterLearningPython/issues/23.
QiWei
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@qiwsir 比如109.md 最后一个示例中的b 112.md中的第一个例子中的la
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109.md中的最后一个示例中的b,已经在前面做了赋值 b=a.title()
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如果你指的是
>>> b = a.title() #这样就把所有单词的第一个字母转化为大写
>>> b
'This Is A Book'
那最后的例子里你写的是
>>> b
'www.itdiffer.com'
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因为我在写教程的过程中,中间要做调试。所以,变量值会变化。为了说明后面操作的变量值是什么,我一般要在示例开始,把已经有的变量值显示出来,比如你刚才说的>>>b,这样主要是告诉读者,现在b的变量值已经是什么了。至于如何来的,一般就比较简单,不用赘述了。
2015-08-25 13:58 GMT+08:00 wanghaisheng [email protected]:
如果你指的是
b = a.title() #这样就把所有单词的第一个字母转化为大写
b
'This Is A Book'那最后的例子里你写的是
b
'www.itdiffer.com'—
Reply to this email directly or view it on GitHub
https://github.com/qiwsir/StarterLearningPython/issues/23#issuecomment-134489405
.
QiWei
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这样说就易于理解了,如果不追求严谨的话
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