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, Commit () 12 if ( rank = = 0 ) : 13 data = numpy. zeros (1 , block_type ) 14 recv ( [ data , mpi_d_t ] , source = 1 , tag = 1 ) 15 print ( data ) 16 elif ( rank = = 1 ) : 17 data = numpy. array ( data , block_type ) 18 send, mpi_d_t = create_struct ( block_length , 10 block_displ , 11 mpi_types )