Day_1 https://app.codesignal.com/arcade Intro. Q1. add Write a function that returns the sum of two numbers. def add(param1, param2): return param1 + param2 Q2. centuryFromYear Given a year, return the century it is in. The first century spans from the year 1 up to and including the year 100, the second - from the year 101 up to and including the year 200, etc. def centuryFromYear(year): if year..