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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 _is_qstring(message):
 """Check if its a QString without adding any dep to PyQt5."""

        my_class = str(message.__class__)
        my_class_name = my_class.replace('<class \'', '').replace('\'>', '')
        if my_class_name == 'PyQt5.QtCore.QString':
            return True

        return False