code: def canberra(x, y):
      result = 0.0
      for i in range(x.shape[0]):
          denominator = np.abs(x[i]) + np.abs(y[i])
          if denominator > 0:
              result += np.abs(x[i] - y[i]) / denominator
  
      return result
  
imports: import numpy
  import numba
  from pynndescent.optimal_transport import allocate_graph_structures, initialize_graph_structures, initialize_supply, initialize_cost, network_simplex_core, total_cost, ProblemStatus, sinkhorn_transport_plan
label_desc: Use image node_id 10 for calling a global function with example usage: canberra(x, y) and returns: result