TASK DEFINITION: In this task, you are given a country name, and you need to return the year in which the country became independent. Independence is a nation's independence or statehood, usually after ceasing to be a group or part of another nation or state, or more rarely after the end of military occupation.
PROBLEM: Bangladesh

SOLUTION: 1971

PROBLEM: Spain

SOLUTION: 1492

PROBLEM: Peru

SOLUTION:
1821