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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 timedelta2millisecond(td):
 """Get milliseconds from a timedelta."""

    milliseconds = td.days * 24 * 60 * 60 * 1000
    milliseconds += td.seconds * 1000
    milliseconds += td.microseconds / 1000
    return milliseconds