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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 FromMicroseconds(self, micros):
 """Converts microseconds to Duration."""

    self._NormalizeDuration(
        micros // _MICROS_PER_SECOND,
        (micros % _MICROS_PER_SECOND) * _NANOS_PER_MICROSECOND)