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Lease Right-of-Use Asset and Lease Liabilities (Details Narrative) - USD ($)
3 Months Ended 9 Months Ended
Apr. 30, 2021
Apr. 30, 2021
Apr. 30, 2020
Jul. 31, 2020
Aug. 02, 2019
Leases [Abstract]          
Lease liabilities, current $ 3,170 $ 3,170 $ 16,632 $ 16,632 $ 26,823
Lease asset-right of use 2,703 2,703   $ 14,151 $ 26,823
Lease liability discount rate         3.30%
Amortization of operating lease right of use asset $ 3,718        
Lease expenses   $ 12,874 $ 10,801