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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 tee2(process, filter):
 """Read lines from process.stderr and echo them to sys.stderr. The 'filter' is a callable which is invoked for every line, receiving the line as argument. If the filter returns True, the line is echoed to sys.stderr. """

    while True:
        line = process.stderr.readline()
        if line:
            if sys.version_info[0] >= 3:
                line = decode(line)
            stripped_line = line.rstrip()
            if filter(stripped_line):
                sys.stderr.write(line)
        elif process.returncode is not None:
            process.stderr.close()
            break