code: def test_put_values_scalar(self, xp):
      dtype = cupy.float32
      a = testing.shaped_arange(self.shape, xp, dtype)
      # Take care so that actual indices don't overlap.
      inds = xp.array([2, 3, 5])
      vals = 3.0
      xp.put(a, inds, vals)
      return a
  
imports: import unittest
  import numpy
  import pytest
  import cupy
  from cupy import testing
label_desc: Use image node_id 2 for calling the TestPutScalars obj's underlying member method code with example usage: obj.test_put_values_scalar(xp) and returns: a