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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 get_timestamp_info(value):
 """ Returns the datetime object, the format, the offset and the microsecond of the timestamp in input :type value: `str` """

    value, offset = _split_offset(value)
    fmt, microsec = _get_timestamp_format(value)
    dt_value = _datetime_obj_factory(value, fmt)
    return dt_value, fmt, offset, microsec