大一Python真的学不会了呜呜，救命看看这道题

import random
class guestNum():
def __init__(self):
self.i = 0
def start(self):
ranNum = random.randint(1, 100)
while True:
userInput = int(input('输入1-100内任意数：'))
if userInput == ranNum:
print('猜对了！')
self.i += 1
print('您本次一共猜了{}次'.format(self.i))
break
elif userInput > ranNum:
print('大了，继续')
self.i += 1
elif userInput < ranNum:
print('小了，继续')
self.i += 1
if __name__ == '__main__':
guest = guestNum().start()

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