code: def log10(x):
      """Elementwise logarithm function to the base 10.
  
      .. math::
         y_i = \\log_{10} x_i.
  
      Args:
          x (:class:`~chainer.Variable` or :ref:`ndarray`): Input variable.
  
      Returns:
          ~chainer.Variable: Output variable.
      """
      return Log10().apply((x,))[0]
  
imports: import math
  import numpy
  from chainer import backend
  from chainer.backends import cuda
  from chainer import function_node
  from chainer import utils
  from chainer.utils import type_check
  import chainerx
label_desc: Use image node_id 4 for calling a global function with example usage: log10(x) and returns: Log10