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COMMITMENTS AND CONTINGENCIES (Details 2) | 12 Months Ended
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Jan. 31, 2022 | Jan. 31, 2021
Commitments and contingencies |  |
Weighted-average remaining lease term (years) operating leases | 8 years 3 months | 3 years 11 months 15 days
Weighted-average discount rate operating leases | 4.32% | 7.15%

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