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Taxes (Details) - Schedule of deferred tax assets - USD ($)
Oct. 31, 2022
Jul. 31, 2022
Schedule Of Deferred Tax Assets Abstract    
Allowance for doubtful account $ 105,059
Net operating loss carry forwards 487,147 1,563,354
Deferred tax assets before valuation allowance 487,147 1,668,413
Less: valuation allowance (487,147) (1,668,413)
Net deferred tax assets