code: def _get_random_params():
      while True:
          a = random.randint(2, 5)
          b = random.randint(2, 5)
  
          if a != b:
              break
  
      if a > b:
          n, p = a, b
      else:
          n, p = b, a
  
      return n, p
  
file_path: geomstats/tests/tests_geomstats/test_geometry/test_stiefel.py
imports: import random
  import pytest
  from geomstats.geometry.stiefel import Stiefel, StiefelCanonicalMetric
  from geomstats.test.parametrizers import DataBasedParametrizer, Parametrizer
  from geomstats.test_cases.geometry.stiefel import StiefelCanonicalMetricTestCase, StiefelStaticMethodsTestCase, StiefelTestCase
  from .data.stiefel import StiefelCanonicalMetricSquareTestData, StiefelCanonicalMetricTestData, StiefelStaticMethodsTestData, StiefelTestData
label_desc: Use image node_id 1 for calling a global function with example usage: _get_random_params() and returns: n,  p