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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 stream2real(binary_stream, conv, endianness="@"):
 """ Converts a binary stream into a sequence of real numbers @param binary_stream: a binary string representing a sequence of numbers @param conv: conv structure containing conversion specs @param endianness: optionally specify bytes endianness for unpacking @return: the list of real data represented """

    size = len(binary_stream) // (conv["bits"] // 8)
    fmt = endianness + str(size) + conv["fmt"]
    data = struct.unpack(fmt, binary_stream)
    data = [fix2real(d, conv) for d in data]
    return data