def xeval ( source , optimize = True ) : native = xcompile ( source , optimize = optimize ) return native ( )
xcode compile python source
Compiles to native Python bytecode and runs program returning the topmost value on the stack .
def xeval(source, optimize=True):
    """Compiles to native Python bytecode and runs program, returning the
    topmost value on the stack.

    Args:
        optimize: Whether to optimize the code after parsing it.

    Returns:
        None: If the stack is empty
        obj: If the stack contains a single value
        [obj, obj, ...]: If the stack contains many values
    """
    native = xcompile(source, optimize=optimize)
    return native()