XML Element Retrieval by ID Using XPath

This function takes an XML string and an ID value as arguments, and uses the Lxml library's xpath method to find and return the XML element with the specified ID.

Technology Stack : Lxml, XPath

Code Type : Function

Code Difficulty : Intermediate

                
                    
def find_element_by_id(xml, id):
    from lxml import etree

    # Parse the XML string into an element tree
    tree = etree.fromstring(xml)
    
    # Find the element by its ID attribute
    element = tree.xpath(f"//*[@id='{id}']")
    
    # Return the element if found, otherwise return None
    return element[0] if element else None