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| PDF Title : | Python in a Nutshell |
|---|---|
| Total Page : | 767 Pages |
| Author: | Alex Martelli, Anna Ravenscroft, Steve Holden |
| PDF Size : | 8.5 MB |
| Language : | English |
| Source : | oreilly.com |
| PDF Link : | Available |
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Python in a Nutshell, 3rd Edition
Given an instance n of any navigable class, the node parsed just before it is n.previ ous_element, and the one parsed just after it is n.next_element; either or both can be None when n is the first or last node parsed, respectively.
An iterator on all previous elements, going backward in the tree, is n.previous_elements; an iterator on all following elements, going forward in the tree, is n.next_elements (either or both iterators can be empty). Instances of NavigableString have such attributes, too. An instance b of BeautifulSoup has b.previous_element and b.next_element both None, and both of its element iterators are empty.
Python in a Nutshell, 3rd Edition PDF
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