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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 _timestamp(_process_name):
 """Create formatted time string recognizable by OPUS."""

    _prefix= time.strftime("%Y%j%H%M%S-I-----",time.localtime())
    _lenstr = 60 - len(_process_name)
    return _prefix+_process_name+(_lenstr*'-')+'\n'