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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _ImportPythonModule(module_name):
 """Imports a Python module. Args: module_name (str):
 name of the module. Returns: module: Python module or None if the module cannot be imported. """

  try:
    module_object = list(map(__import__, [module_name]))[0]
  except ImportError:
    return None

  # If the module name contains dots get the upper most module object.
  if '.' in module_name:
    for submodule_name in module_name.split('.')[1:]:
      module_object = getattr(module_object, submodule_name, None)

  return module_object