input: Write a python function to check if a number is even or odd and return "Even" or "Odd".
  assert evenOdd(2) == "Even"
  assert evenOdd(3) == "Odd"
  assert evenOdd(10) == "Even"
  assert evenOdd(7) == "Odd"
output: def evenOdd(n):
      if n % 2 == 0:
          return "Even"
      else:
          return "Odd"