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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def is_probably_builtin(node):
 """ Check that something isn't an attribute or function name etc. """

    prev = node.prev_sibling
    if prev is not None and prev.type == token.DOT:
        # Attribute lookup.
        return False
    parent = node.parent
    if parent.type in (syms.funcdef, syms.classdef):
        return False
    if parent.type == syms.expr_stmt and parent.children[0] is node:
        # Assignment.
        return False
    if parent.type == syms.parameters or \
            (parent.type == syms.typedargslist and (
            (prev is not None and prev.type == token.COMMA) or
            parent.children[0] is node
            )):
        # The name of an argument.
        return False
    return True