input: Write a function to check if a given 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")
  
  assert is_even(4) == "Even"
  assert is_even(3) == "Odd"
  assert is_even(0) == "Even"
  assert is_even(-2) == "Even"
  assert is_even(-1) == "Odd"
output: def is_even(n):
      if n % 2 == 0:
          print("Even")
      else:
          print("Odd")