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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 list_apps():
 """ It returns a list of application contained in PROJECT_APPS """

    return [(d.split('.')[-1], d.split('.')[-1]) for d in os.listdir(
        os.getcwd()) if is_app(u"{}/{}".format(os.getcwd(), d))]