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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 _checkIfCode(self, inCodeBlockObj):
 """Checks whether or not a given line appears to be Python code."""

        while True:
            line, lines, lineNum = (yield)
            testLineNum = 1
            currentLineNum = 0
            testLine = line.strip()
            lineOfCode = None
            while lineOfCode is None:
                match = AstWalker.__errorLineRE.match(testLine)
                if not testLine or testLine == '...' or match:
                    # These are ambiguous.
                    line, lines, lineNum = (yield)
                    testLine = line.strip()
                    #testLineNum = 1
                elif testLine.startswith('>>>'):
                    # This is definitely code.
                    lineOfCode = True
                else:
                    try:
                        compLine = compile_command(testLine)
                        if compLine and lines[currentLineNum].strip().startswith('#'):
                            lineOfCode = True
                        else:
                            line, lines, lineNum = (yield)
                            line = line.strip()
                            if line.startswith('>>>'):
                                # Definitely code, don't compile further.
                                lineOfCode = True
                            else:
                                testLine += linesep + line
                                testLine = testLine.strip()
                                testLineNum += 1
                    except (SyntaxError, RuntimeError):
                        # This is definitely not code.
                        lineOfCode = False
                    except Exception:
                        # Other errors are ambiguous.
                        line, lines, lineNum = (yield)
                        testLine = line.strip()
                        #testLineNum = 1
                currentLineNum = lineNum - testLineNum
            if not inCodeBlockObj[0] and lineOfCode:
                inCodeBlockObj[0] = True
                lines[currentLineNum] = '{0}{1}# @code{1}'.format(
                    lines[currentLineNum],
                    linesep
                )
            elif inCodeBlockObj[0] and lineOfCode is False:
                # None is ambiguous, so strict checking
                # against False is necessary.
                inCodeBlockObj[0] = False
                lines[currentLineNum] = '{0}{1}# @endcode{1}'.format(
                    lines[currentLineNum],
                    linesep
                )