Hi Everyone I am making an Application For Social Exhcanges! I am at my Sign Up Screen but i want that if user Enters a Username that is Already Registered so that shows Custom Username Likely his/her Name So Please help me Also I am A begineer (not so much but I m) thank You

How to Create Random usernames

Soham_Shah (Soham Shah ) July 11, 2020, 4:46pm 4

it will help to add random numbers from usernames so that every username is different

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How can I do to generate random numbers without repeating?