python-while循环猜数字

import random
a = random.randrange(100)
print(a)
b=int(input("Enter a number: "))
i=1
while a!=b:
    if a>b:
        print("小了")
    else:
        print("大了")
    b=int(input("Enter a number: "))
    i=i+1
else:
    print(i,"次")