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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 SetInputSourceConfiguration(self, configuration):
 """Sets the input source configuration settings. Args: configuration (InputSourceConfiguration):
 input source configuration. """

    mount_path = configuration.mount_path

    # Remove a trailing path separator from the mount path so the relative
    # paths will start with a path separator.
    if mount_path and mount_path.endswith(os.sep):
      mount_path = mount_path[:-1]

    self._mount_path = mount_path