code: def warmup_multigauss(ndim):
      if np.random.uniform() < 0.5:
          ctr = 0.4
      else:
          ctr = 0.6
      return ctr + random_point_in_sphere(ndim, radius=0.04)
  
imports: import numpy
  from math import gamma, pi, exp
label_desc: Use image node_id 18 for calling a global function with example usage: warmup_multigauss(ndim) and returns: unknown