code: def peek_16(library, session, address):
      
      value_16 = ViUInt16()
      ret = library.viPeek16(session, address, byref(value_16))
      return value_16.value, ret
docs: Read an 16-bit value from the specified address.
  
      Corresponds to viPeek16 function of the VISA library.
  
      :param library: the visa library wrapped by ctypes.
      :param session: Unique logical identifier to a session.
      :param address: Source address to read the value.
      :return: Data read from bus, return value of the library call.
      :rtype: bytes, :class:`pyvisa.constants.StatusCode`