code: def deep_round(A, ndigits=5):
      """
      Rounds numbers in a list of lists. Useful for approximate equality testing.
      """
      return [[round(val, ndigits) for val in sublst] for sublst in A]
  
file_path: category_encoders/tests/helpers.py
imports: import numpy
  import random
  import pandas
  import math
label_desc: Use image node_id 5 for calling a global function with example usage: deep_round(A, ndigits) and returns: unknown