I want username field is automatically filled with this value:
username = str(n); where n is a number of 10 digits ( autoincremented or random ). . I tried to add this in save method: username = str(random.randint(1000000000,9999999999)) but there is a collision problem when n is the same for 2 users ( although rare initially ). . How do I do this ? Thanks ^_^
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