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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 stream_stdin_lines():
 """Generator for unbuffered line reading from STDIN"""

    stdin = os.fdopen(sys.stdin.fileno(), 'r', 0)
    while True:
        line = stdin.readline()
        if line:
            yield line
        else:
            break