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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 CheckFile(self, path):
 """Validates the definition in a file. Args: path (str):
 path of the definition file. Returns: bool: True if the file contains valid definitions. """

    print('Checking: {0:s}'.format(path))

    definitions_registry = registry.DataTypeDefinitionsRegistry()
    definitions_reader = reader.YAMLDataTypeDefinitionsFileReader()
    result = False

    try:
      definitions_reader.ReadFile(definitions_registry, path)
      result = True

    except KeyError as exception:
      logging.warning((
          'Unable to register data type definition in file: {0:s} with '
          'error: {1:s}').format(path, exception))

    except errors.FormatError as exception:
      logging.warning(
          'Unable to validate file: {0:s} with error: {1:s}'.format(
              path, exception))

    return result