input: Write a function to determine if a given number is even or odd. If the number is even, the function should print "Even"; otherwise, it should print "Odd".
  
  def is_even(n):
      if n % 2 == 0:
          print("Even")
      else:
          print("Odd")
  
  is_even(4)
  is_even(7)
output: def is_even(n):
      if n % 2 == 0:
          print("Even")
      else:
          print("Odd")