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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 _scheduling_block_ids(num_blocks, start_id, project):
 """Generate Scheduling Block instance ID"""

    for i in range(num_blocks):
        _root = '{}-{}'.format(strftime("%Y%m%d", gmtime()), project)
        yield '{}-sb{:03d}'.format(_root, i + start_id), \
              '{}-sbi{:03d}'.format(_root, i + start_id)