Problems

Hello professor,when I run your codes,it shows that:
usage: main_fedavg.py [-h] [--model N] [--dataset N] [--data_dir DATA_DIR]
[--mask_type MASK_TYPE]
[--normalize_features NORMALIZE_FEATURES]
[--normalize_adjacency NORMALIZE_ADJACENCY]
[--sparse_adjacency SPARSE_ADJACENCY]
[--partition_method N] [--partition_alpha PA]
[--client_num_in_total NN] [--client_num_per_round NN]
[--batch_size N] [--hidden_size HIDDEN_SIZE]
[--node_embedding_dim NODE_EMBEDDING_DIM]
[--alpha ALPHA] [--num_heads NUM_HEADS]
[--dropout DROPOUT]
[--readout_hidden_dim READOUT_HIDDEN_DIM]
[--graph_embedding_dim GRAPH_EMBEDDING_DIM]
[--client_optimizer CLIENT_OPTIMIZER] [--lr LR]
[--wd WD] [--epochs EP] [--comm_round COMM_ROUND]
[--is_mobile IS_MOBILE]
[--frequency_of_the_test FREQUENCY_OF_THE_TEST]
[--gpu_server_num GPU_SERVER_NUM]
[--gpu_num_per_server GPU_NUM_PER_SERVER] [--ci CI]
main_fedavg.py: error: argument --data_dir: expected one argument

How can I solve them?