Problem solving: 25 horses, you can race 5 horses every time, and in each race you can know the rank of the 5 horses, but not know the exact running time of each horse. Find the minimum times needed to find the 3 fastest horses among the 25.
1. Write a program to compare weather of two different cities. Call weather info API and use city names at command line as inputs and display output in 2 words good/bad weather. 2. Read a JSON file and arrange the output according to given criteria.