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Summary of Significant Accounting Policies - Estimated useful lives of Intangible assets (Details)
12 Months Ended
Mar. 31, 2023
Software  
Estimated useful lives of Intangible assets  
Estimated useful lives of intangible assets 5 years
Courseware  
Estimated useful lives of Intangible assets  
Estimated useful lives of intangible assets 5 years
Copyrights  
Estimated useful lives of Intangible assets  
Estimated useful lives of intangible assets 5 years