Update README.md

README.md

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 ## Abouts
 The human reference genome data is sourced from the [NCBI website](https://www.ncbi.nlm.nih.gov/datasets/genome/GCF_000001405.40/). 
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 We have applied minor formatting adjustments to the dataset to facilitate streamlined data analysis.
 
 ## How to use
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 ```python
 from datasets import load_dataset