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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 save_feedback(rdict):
 """ Save feedback file """

    # Check for output folder
    if not os.path.exists(_feedback_dir):
        os.makedirs(_feedback_dir)
    
    jcont = json.dumps(rdict)
    f = open(_feedback_file, 'w')
    f.write(jcont)
    f.close()