Python - Dungeon Game Combat

import random
import time

def sleep():
    time.sleep(1)
    print("")

class Player():
    def __init__(self, hitpoints, attack):
        self.hitpoints = hitpoints
        self.attack = attack

    def pAttack(self, monster):
        sleep()
        diceRoll = random.randint(1,6)
        if(diceRoll > 3):
            isAttacking = True
            monster.hitpoints -= self.attack
            print("You manage to hit the monster!")
            print("You deal {} damage. The monster now has {} hitpoints left".format(self.attack, monster.hitpoints))
        else:
            isAttacking = False
            print("You miss your swing at the monster.")
            print("The monster still has {} hitpoints left.".format(monster.hitpoints))


class Monster():
    def __init__(self, color, hitpoints, attack):
        self.color = color
        self.hitpoints = hitpoints
        self.attack = attack

    def mAttack(self, player):
        sleep()
        diceRoll = random.randint(1,6)
        if(diceRoll > 4):
            isAttacking = True
            player.hitpoints -= self.attack
            print("The monster hits its attack!")
            print("It deals {} damage. You now have {} hitpoints left.".format(self.attack, player.hitpoints))
        else:
            isAttacking = False
            print("The monster misses its attack!")

    def mBlock(self):
        sleep()
        diceRoll = random.randint(1,6)
        if(diceRoll > 5):
            isBlocking = True
            print("The monster is blocking.")
        else:
            isBlocking = False
            print("The monster was unable to block your hit.")

def fightMonster(player, monster):
    print("You see something lurking in the shadows..")
    print("Suddenly a monster jumps out at you, you have no choice but to fight!")
    while(True):
        if(player.hitpoints > 0):
            player.pAttack(monster)
        else:
            print("You have no hitpoints left. The monster has defeated you!")
            break
        if(monster.hitpoints > 0):
            monster.mAttack(player)
        else:
            print("The monster is out of hitpoints. You win!")
            break

def playGame():
    myMonster = Monster("red", 5, 1)
    myPlayer = Player(10, 2)
    fightMonster(myPlayer, myMonster)

playGame()