input: Write a function to check if a given number is prime. If the number is prime, return True; otherwise, return False. If the number is less than or equal to 1, return False.
  
  def primeCheck(num):
      if num > 1:
          for i in range(2, num):
              if (num % i) == 0:
                  return False
      else:
          return False
      return True
  
  assert primeCheck(2)==True
  assert primeCheck(7)==True
  assert primeCheck(10)==False
  assert primeCheck(1)==False
  assert primeCheck(-5)==False
output: def primeCheck(num):
      if num <= 1:
          return False
      for i in range(2, int(num**0.5) + 1):
          if num % i == 0:
              return False
      return True