@staticmethod<EOL><INDENT>def iterate_elements(parent):<DEDENT>
element = parent.firstChild<EOL>while element is not None:<EOL><INDENT>yield element<EOL>element = element.nextSibling<EOL><DEDENT>
Helper function that iterates over child Nodes/Elements of parent Node/Element.

:param parent: object of Element class, representing parent element.