input: Write a function to determine if a given number is even or odd. If the number is even, print "Even". If the number is odd, print "Odd".
  def is_even(n):
      if n % 2 == 0:
          print("Even")
      else:
          print("Odd")
  
  assert is_even(4) == None
  assert is_even(3) == None
  assert is_even(0) == None
  assert is_even(-1) == None
  assert is_even(-2) == None
output: def is_even(n):
      if n % 2 == 0:
          print("Even")
      else:
          print("Odd")