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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 check(projects):
 """Check the specified projects for Python 3 compatibility."""

    log = logging.getLogger('ciu')
    log.info('{0} top-level projects to check'.format(len(projects)))
    print('Finding and checking dependencies ...')
    blockers = dependencies.blockers(projects)

    print('')
    for line in message(blockers):
        print(line)

    print('')
    for line in pprint_blockers(blockers):
        print(' ', line)

    return len(blockers) == 0