<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def check_options(options, parser):
 """ check options requirements, print and return exit value """

    if not options.get('release_environment', None):
        print("release environment is required")
        parser.print_help()
        return os.EX_USAGE

    return 0