Fix Names in a Table — LeetCode 1667 Python Solution

Table: Users +----------------+---------+ | Column Name | Type | +----------------+---------+ | user_id | int | | name | varchar | +----------------+---------+ user_id is the primary key (column with unique values) for this table. This table contains the ID and the name of the user.

+----------------+---------+
| Column Name    | Type    |
+----------------+---------+
| user_id        | int     |
| name           | varchar |
+----------------+---------+
user_id is the primary key (column with unique values) for this table.
This table contains the ID and the name of the user. The name consists of only lowercase and uppercase characters.

import duckdb
import pandas as pd

def solution(users: pd.DataFrame) -> pd.DataFrame:
    con = duckdb.connect()
    con.register("Users", users)
    return con.execute("""SELECT
    user_id,
    CONCAT(UPPER(LEFT(name, 1)), LOWER(SUBSTRING(name, 2))) AS name
FROM
    users
ORDER BY
    user_id;""").df()