input: Write a function to check whether 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(3)
  is_even(0)
  is_even(-1)
  is_even(-2)
output: def is_even(n):
      if n % 2 == 0:
          print("Even")
      else:
          print("Odd")