in python

Continent Africa America Asia Europe Number of Students 100 200 300 100 1 - If you are planning to use a dictionary, which field should be the key and which one the value? Write your answer using python comments 2 - Write code to initialize a dictionary containing these values. 3 - Write code to append "Oceania" with 50 students. 4 - Write code to find if "Africa" is in the dictionary; use two different ways. 5 - Write code to find which continents have at least 50 students