|PDF Title :
|Python in a Nutshell
|Total Page :
|Alex Martelli, Anna Ravenscroft, Steve Holden
|PDF Size :
|PDF Link :
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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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