Searching an item in a list in a dictionary full of lists

[TIMAI2]

Just fitting it in with how the OP is adding a new user. There are pros and cons in every approach to this.

Was this an entry for the competition as well ?

Login for multiple accounts using TinyDB

Here's a scheme to save multiple people, with names, identification, and phone in TinyDB, using absolutely no lists. The trick is to use TinyDB Namespaces for every tag/value. [tdb_name_identification] [tdb_name_password] [tdb_name_phone] TinyDB_no_lists.aia (3.6 KB) Each TinyDB instance maps a user name into a single user attribute: password identification phone Here are the blocks for a combined signin, new user creation, and phone number update: [blocks] Designer: [Designer]