12.23 lab: leap year - functions a year in the modern gregorian calendar consists of 365 days. in reality, the earth takes longer to rotate around the sun. to account for the difference in time, every 4 years, a leap year takes place. a leap year is when a year has 366 days: an extra day, february 29th. the requirements for a given year to be a leap year are: 1) the year must be divisible by 4 2) if the year is a century year (1700, 1800, the year must be evenly divisible by 400 some example leap years are 1600, 1712, and 2016. write a program that takes in a year and determines whether that year is a leap year. ex: if the input is: