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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 read_pid_stat(pid):
 """ Mocks read_pid_stat as this is a Linux-specific operation. """

    return {
        "utime": random.randint(0, 999999999),
        "stime": random.randint(0, 999999999),
        "cutime": random.randint(0, 999999999),
        "cstime": random.randint(0, 999999999),
    }