code: def sum_over_dims(x: Continuous, *, params=None):
      get_x = x.get_fun
  
      def fun(p, coords):
          return jnp.sum(get_x(p, coords), axis=-1, keepdims=True)
  
      return x.update_fun_and_params(x.params, fun)
  
imports: from typing import List
  import numpy
  from jax import numpy
  from jaxdf.conv import reflection_conv
  from jaxdf.core import operator
  from jaxdf.discretization import Continuous, FiniteDifferences, FourierSeries, OnGrid
  from jaxdf.operators.differential import get_fd_coefficients
label_desc: Use image node_id 14 for calling a global function with example usage: sum_over_dims(x) and returns: x, jnp