code: def random_point_in_sphere(ndim, radius=1):
      return random_vector(
          ndim, radius * np.random.uniform() ** (1.0 / ndim)
      )
  
imports: import numpy
  from math import gamma, pi, exp
label_desc: Use image node_id 2 for calling a global function with example usage: random_point_in_sphere(ndim, radius) and returns: random_vector