Leap year w2e3 Ruby Course.

gistfile1.txt

def not_leap_year(year)
  puts "#{year} is not a leap year"
end

def leap_year(year)
  if (year % 4) == 0
    if year % 100 == 0
      if year % 400 == 0
        puts "There are #{year*366*24*3600} seconds in the leap year #{year}"
      else
        not_leap_year(year)
      end
    else
      not_leap_year(year)
    end
  else
    not_leap_year(year)
  end  
end # leap_year

leap_year(2000)

leap_year(1900)

leap_year(25)

leap_year(1645)