import ast


def check_funcdefaultvalues(node):
    """
    Returns if there are function definitions with default values.
    """       
    class Visitor(ast.NodeVisitor):
        
        def __init__(self):
            self.found = False
            
        def visit_FunctionDef(self, node):
            self.generic_visit(node)
            if node.args.defaults:
                self.found = True

            
    visitor = Visitor()
    visitor.visit(node)
    return visitor.found