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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 parse_tfjob_config():
 """Attempts to parse TFJob config, returning False if it can't find it"""

    if os.getenv("TF_CONFIG"):
        try:
            return json.loads(os.environ["TF_CONFIG"])
        except ValueError:
            return False
    else:
        return False