input: Write a function to determine if a number is even or odd. If the number is even, print "Even"; otherwise, print "Odd".
  def is_even(n):
      if n % 2 == 0:
          print("Even")
      else:
          print("Odd")
  
  is_even(4)  # Output: Even
  is_even(7)  # Output: Odd
  is_even(0)  # Output: Even
  is_even(-3)  # Output: Odd
  is_even(-2)  # Output: Even
output: def is_even(n):
      if n % 2 == 0:
          print("Even")
      else:
          print("Odd")