Rever Backend Developer interview questions

Given a list of accounts and using the information in data module, return a dictionary where each key is an account and its value is dictionary with the accounts total orders, completed orders and pending orders example: given ["u2"]. For this challenge you will consume an API to fetch todos individually. Given a list of todo ids, fetch each todo and return a list of todos Example of a request: https://jsonplaceholder.typicode.com/todos/1 Improve the performance of the above function afterwards if have not done yet. In this challenge you need to read the csv file and perform the following: Clean the data as best as you can Calculate the mean of the annual salaries, calculate the max and minimum of the annual salaries Calculate the most common employment_status and most common married status As a bonus you need save the clean data as a VALID JSON file.