code: def aseries(expr, x=None, n=6, bound=0, hir=False):
      """
      See the docstring of Expr.aseries() for complete details of this wrapper.
  
      """
      expr = sympify(expr)
      return expr.aseries(x, n, bound, hir)
  
label_desc: Use image node_id 1 for calling a global function with example usage: aseries(expr, x, n, bound, hir) and returns: expr