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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 _read_page_header(file_obj):
 """Read the page_header from the given fo."""

    tin = TFileTransport(file_obj)
    pin = TCompactProtocolFactory().get_protocol(tin)
    page_header = parquet_thrift.PageHeader()
    page_header.read(pin)
    return page_header