Update README.md

README.md

@@ -17,8 +17,13 @@ dataset_info:
 
 6160 samples randomly sampled from the shard9 of Bookcorpus_compact_1024
 ```python
+from datasets import load_dataset
+from datasets import Dataset
+corpus_name="xxx"
+
+ds = load_dataset(corpus_name, split="train") 
 shuffled_ds = ds.shuffle(seed=42)
-test_ds = Dataset.from_dict{shuffled_ds[:len(ds)//10]}
+test_ds = Dataset.from_dict{shuffled_ds[:6160]} # len(ds)//10
 ```